Home / 98,476.12-147,683.17-31,900.83

Finding the Fourth Proportional to 98,476.12, 147,683.17 and 31,900.83

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Solution

The fourth proportional to 98,476.12, 147,683.17 and 31,900.83 is: 47,841.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,476.12 : 147,683.17 = 31,900.83 : x
  2. Step 2: Convert to fraction form
    98,476.12/147,683.17 = 31,900.83/x
  3. Step 3: Cross multiply
    98,476.12x = 147,683.17 × 31,900.83
  4. Step 4: Simplify right side
    98,476.12x = 4,711,215,700.03
  5. Step 5: Solve for x
    x = 4,711,215,700.03/98,476.12
  6. Step 6: Final answer
    x = 47,841.20

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1.5x scale

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.