Home / 134,662.01-185,825.21-74,229.53

Finding the Fourth Proportional to 134,662.01, 185,825.21 and 74,229.53

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Solution

The fourth proportional to 134,662.01, 185,825.21 and 74,229.53 is: 102,432.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,662.01 : 185,825.21 = 74,229.53 : x
  2. Step 2: Convert to fraction form
    134,662.01/185,825.21 = 74,229.53/x
  3. Step 3: Cross multiply
    134,662.01x = 185,825.21 × 74,229.53
  4. Step 4: Simplify right side
    134,662.01x = 13,793,716,700.18
  5. Step 5: Solve for x
    x = 13,793,716,700.18/134,662.01
  6. Step 6: Final answer
    x = 102,432.14

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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.