Home / 130,550.79-180,160.70-73,973.19

Finding the Fourth Proportional to 130,550.79, 180,160.70 and 73,973.19

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Solution

The fourth proportional to 130,550.79, 180,160.70 and 73,973.19 is: 102,083.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,550.79 : 180,160.70 = 73,973.19 : x
  2. Step 2: Convert to fraction form
    130,550.79/180,160.70 = 73,973.19/x
  3. Step 3: Cross multiply
    130,550.79x = 180,160.70 × 73,973.19
  4. Step 4: Simplify right side
    130,550.79x = 13,327,061,321.77
  5. Step 5: Solve for x
    x = 13,327,061,321.77/130,550.79
  6. Step 6: Final answer
    x = 102,083.34

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.