Home / 98,923.60-148,381.80-39,743.20

Finding the Fourth Proportional to 98,923.60, 148,381.80 and 39,743.20

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Solution

The fourth proportional to 98,923.60, 148,381.80 and 39,743.20 is: 59,613.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,923.60 : 148,381.80 = 39,743.20 : x
  2. Step 2: Convert to fraction form
    98,923.60/148,381.80 = 39,743.20/x
  3. Step 3: Cross multiply
    98,923.60x = 148,381.80 × 39,743.20
  4. Step 4: Simplify right side
    98,923.60x = 5,897,167,553.76
  5. Step 5: Solve for x
    x = 5,897,167,553.76/98,923.60
  6. Step 6: Final answer
    x = 59,613.35

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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.