Home / 130,550.29-180,160.01-73,972.69

Finding the Fourth Proportional to 130,550.29, 180,160.01 and 73,972.69

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Solution

The fourth proportional to 130,550.29, 180,160.01 and 73,972.69 is: 102,082.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,550.29 : 180,160.01 = 73,972.69 : x
  2. Step 2: Convert to fraction form
    130,550.29/180,160.01 = 73,972.69/x
  3. Step 3: Cross multiply
    130,550.29x = 180,160.01 × 73,972.69
  4. Step 4: Simplify right side
    130,550.29x = 13,326,920,570.13
  5. Step 5: Solve for x
    x = 13,326,920,570.13/130,550.29
  6. Step 6: Final answer
    x = 102,082.66

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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.