Home / 134,615.28-185,770.35-74,188.13

Finding the Fourth Proportional to 134,615.28, 185,770.35 and 74,188.13

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Solution

The fourth proportional to 134,615.28, 185,770.35 and 74,188.13 is: 102,380.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,615.28 : 185,770.35 = 74,188.13 : x
  2. Step 2: Convert to fraction form
    134,615.28/185,770.35 = 74,188.13/x
  3. Step 3: Cross multiply
    134,615.28x = 185,770.35 × 74,188.13
  4. Step 4: Simplify right side
    134,615.28x = 13,781,954,505.00
  5. Step 5: Solve for x
    x = 13,781,954,505.00/134,615.28
  6. Step 6: Final answer
    x = 102,380.31

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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.