Home / 146,301.60-219,419.52-87,154.08

Finding the Fourth Proportional to 146,301.60, 219,419.52 and 87,154.08

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Solution

The fourth proportional to 146,301.60, 219,419.52 and 87,154.08 is: 130,711.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,301.60 : 219,419.52 = 87,154.08 : x
  2. Step 2: Convert to fraction form
    146,301.60/219,419.52 = 87,154.08/x
  3. Step 3: Cross multiply
    146,301.60x = 219,419.52 × 87,154.08
  4. Step 4: Simplify right side
    146,301.60x = 19,123,306,399.64
  5. Step 5: Solve for x
    x = 19,123,306,399.64/146,301.60
  6. Step 6: Final answer
    x = 130,711.53

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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.