Home / 251,545.50-377,207.55-133,189.20

Finding the Fourth Proportional to 251,545.50, 377,207.55 and 133,189.20

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Solution

The fourth proportional to 251,545.50, 377,207.55 and 133,189.20 is: 199,725.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,545.50 : 377,207.55 = 133,189.20 : x
  2. Step 2: Convert to fraction form
    251,545.50/377,207.55 = 133,189.20/x
  3. Step 3: Cross multiply
    251,545.50x = 377,207.55 × 133,189.20
  4. Step 4: Simplify right side
    251,545.50x = 50,239,971,818.46
  5. Step 5: Solve for x
    x = 50,239,971,818.46/251,545.50
  6. Step 6: Final answer
    x = 199,725.19

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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.