Home / 84,098.90-126,148.35-39,730.14

Finding the Fourth Proportional to 84,098.90, 126,148.35 and 39,730.14

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Solution

The fourth proportional to 84,098.90, 126,148.35 and 39,730.14 is: 59,595.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,098.90 : 126,148.35 = 39,730.14 : x
  2. Step 2: Convert to fraction form
    84,098.90/126,148.35 = 39,730.14/x
  3. Step 3: Cross multiply
    84,098.90x = 126,148.35 × 39,730.14
  4. Step 4: Simplify right side
    84,098.90x = 5,011,891,606.27
  5. Step 5: Solve for x
    x = 5,011,891,606.27/84,098.90
  6. Step 6: Final answer
    x = 59,595.21

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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.