Home / 97,740.60-146,545.20-38,545.80

Finding the Fourth Proportional to 97,740.60, 146,545.20 and 38,545.80

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Solution

The fourth proportional to 97,740.60, 146,545.20 and 38,545.80 is: 57,792.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,740.60 : 146,545.20 = 38,545.80 : x
  2. Step 2: Convert to fraction form
    97,740.60/146,545.20 = 38,545.80/x
  3. Step 3: Cross multiply
    97,740.60x = 146,545.20 × 38,545.80
  4. Step 4: Simplify right side
    97,740.60x = 5,648,701,970.16
  5. Step 5: Solve for x
    x = 5,648,701,970.16/97,740.60
  6. Step 6: Final answer
    x = 57,792.79

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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.