Home / 141,330.60-211,769.10-74,683.80

Finding the Fourth Proportional to 141,330.60, 211,769.10 and 74,683.80

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Solution

The fourth proportional to 141,330.60, 211,769.10 and 74,683.80 is: 111,905.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,330.60 : 211,769.10 = 74,683.80 : x
  2. Step 2: Convert to fraction form
    141,330.60/211,769.10 = 74,683.80/x
  3. Step 3: Cross multiply
    141,330.60x = 211,769.10 × 74,683.80
  4. Step 4: Simplify right side
    141,330.60x = 15,815,721,110.58
  5. Step 5: Solve for x
    x = 15,815,721,110.58/141,330.60
  6. Step 6: Final answer
    x = 111,905.85

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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.