Home / 125,167.65-187,793.40-40,931.70

Finding the Fourth Proportional to 125,167.65, 187,793.40 and 40,931.70

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Solution

The fourth proportional to 125,167.65, 187,793.40 and 40,931.70 is: 61,411.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,167.65 : 187,793.40 = 40,931.70 : x
  2. Step 2: Convert to fraction form
    125,167.65/187,793.40 = 40,931.70/x
  3. Step 3: Cross multiply
    125,167.65x = 187,793.40 × 40,931.70
  4. Step 4: Simplify right side
    125,167.65x = 7,686,703,110.78
  5. Step 5: Solve for x
    x = 7,686,703,110.78/125,167.65
  6. Step 6: Final answer
    x = 61,411.26

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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.