Home / 145,177.92-217,608.48-56,404.80

Finding the Fourth Proportional to 145,177.92, 217,608.48 and 56,404.80

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Solution

The fourth proportional to 145,177.92, 217,608.48 and 56,404.80 is: 84,545.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,177.92 : 217,608.48 = 56,404.80 : x
  2. Step 2: Convert to fraction form
    145,177.92/217,608.48 = 56,404.80/x
  3. Step 3: Cross multiply
    145,177.92x = 217,608.48 × 56,404.80
  4. Step 4: Simplify right side
    145,177.92x = 12,274,162,792.70
  5. Step 5: Solve for x
    x = 12,274,162,792.70/145,177.92
  6. Step 6: Final answer
    x = 84,545.66

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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.