Home / 98,250.28-147,404.70-31,700.84

Finding the Fourth Proportional to 98,250.28, 147,404.70 and 31,700.84

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Solution

The fourth proportional to 98,250.28, 147,404.70 and 31,700.84 is: 47,560.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,250.28 : 147,404.70 = 31,700.84 : x
  2. Step 2: Convert to fraction form
    98,250.28/147,404.70 = 31,700.84/x
  3. Step 3: Cross multiply
    98,250.28x = 147,404.70 × 31,700.84
  4. Step 4: Simplify right side
    98,250.28x = 4,672,852,809.95
  5. Step 5: Solve for x
    x = 4,672,852,809.95/98,250.28
  6. Step 6: Final answer
    x = 47,560.71

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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.