Home / 98,932.86-148,153.14-69,211.56

Finding the Fourth Proportional to 98,932.86, 148,153.14 and 69,211.56

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Solution

The fourth proportional to 98,932.86, 148,153.14 and 69,211.56 is: 103,645.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,932.86 : 148,153.14 = 69,211.56 : x
  2. Step 2: Convert to fraction form
    98,932.86/148,153.14 = 69,211.56/x
  3. Step 3: Cross multiply
    98,932.86x = 148,153.14 × 69,211.56
  4. Step 4: Simplify right side
    98,932.86x = 10,253,909,938.30
  5. Step 5: Solve for x
    x = 10,253,909,938.30/98,932.86
  6. Step 6: Final answer
    x = 103,645.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.