Home / 121,545.10-182,316.45-38,439.10

Finding the Fourth Proportional to 121,545.10, 182,316.45 and 38,439.10

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Solution

The fourth proportional to 121,545.10, 182,316.45 and 38,439.10 is: 57,658.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,545.10 : 182,316.45 = 38,439.10 : x
  2. Step 2: Convert to fraction form
    121,545.10/182,316.45 = 38,439.10/x
  3. Step 3: Cross multiply
    121,545.10x = 182,316.45 × 38,439.10
  4. Step 4: Simplify right side
    121,545.10x = 7,008,080,253.20
  5. Step 5: Solve for x
    x = 7,008,080,253.20/121,545.10
  6. Step 6: Final answer
    x = 57,658.27

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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.