Home / 135,592.64-187,129.02-75,182.24

Finding the Fourth Proportional to 135,592.64, 187,129.02 and 75,182.24

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Solution

The fourth proportional to 135,592.64, 187,129.02 and 75,182.24 is: 103,757.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,592.64 : 187,129.02 = 75,182.24 : x
  2. Step 2: Convert to fraction form
    135,592.64/187,129.02 = 75,182.24/x
  3. Step 3: Cross multiply
    135,592.64x = 187,129.02 × 75,182.24
  4. Step 4: Simplify right side
    135,592.64x = 14,068,778,892.60
  5. Step 5: Solve for x
    x = 14,068,778,892.60/135,592.64
  6. Step 6: Final answer
    x = 103,757.69

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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.