Home / 424,089.03-636,133.14-108,545.43

Finding the Fourth Proportional to 424,089.03, 636,133.14 and 108,545.43

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Solution

The fourth proportional to 424,089.03, 636,133.14 and 108,545.43 is: 162,818.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,089.03 : 636,133.14 = 108,545.43 : x
  2. Step 2: Convert to fraction form
    424,089.03/636,133.14 = 108,545.43/x
  3. Step 3: Cross multiply
    424,089.03x = 636,133.14 × 108,545.43
  4. Step 4: Simplify right side
    424,089.03x = 69,049,345,218.55
  5. Step 5: Solve for x
    x = 69,049,345,218.55/424,089.03
  6. Step 6: Final answer
    x = 162,818.04

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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.