Home / 130,551.81-180,159.96-73,190.85

Finding the Fourth Proportional to 130,551.81, 180,159.96 and 73,190.85

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Solution

The fourth proportional to 130,551.81, 180,159.96 and 73,190.85 is: 101,002.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,551.81 : 180,159.96 = 73,190.85 : x
  2. Step 2: Convert to fraction form
    130,551.81/180,159.96 = 73,190.85/x
  3. Step 3: Cross multiply
    130,551.81x = 180,159.96 × 73,190.85
  4. Step 4: Simplify right side
    130,551.81x = 13,186,060,608.37
  5. Step 5: Solve for x
    x = 13,186,060,608.37/130,551.81
  6. Step 6: Final answer
    x = 101,002.51

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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.