Home / 149,938.14-207,069.58-129,697.86

Finding the Fourth Proportional to 149,938.14, 207,069.58 and 129,697.86

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Solution

The fourth proportional to 149,938.14, 207,069.58 and 129,697.86 is: 179,117.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,938.14 : 207,069.58 = 129,697.86 : x
  2. Step 2: Convert to fraction form
    149,938.14/207,069.58 = 129,697.86/x
  3. Step 3: Cross multiply
    149,938.14x = 207,069.58 × 129,697.86
  4. Step 4: Simplify right side
    149,938.14x = 26,856,481,397.10
  5. Step 5: Solve for x
    x = 26,856,481,397.10/149,938.14
  6. Step 6: Final answer
    x = 179,117.08

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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.