Home / 131,520.28-181,497.63-74,932.06

Finding the Fourth Proportional to 131,520.28, 181,497.63 and 74,932.06

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Solution

The fourth proportional to 131,520.28, 181,497.63 and 74,932.06 is: 103,406.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,520.28 : 181,497.63 = 74,932.06 : x
  2. Step 2: Convert to fraction form
    131,520.28/181,497.63 = 74,932.06/x
  3. Step 3: Cross multiply
    131,520.28x = 181,497.63 × 74,932.06
  4. Step 4: Simplify right side
    131,520.28x = 13,599,991,301.02
  5. Step 5: Solve for x
    x = 13,599,991,301.02/131,520.28
  6. Step 6: Final answer
    x = 103,406.04

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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.