Home / 113,553.60-170,330.40-54,358.80

Finding the Fourth Proportional to 113,553.60, 170,330.40 and 54,358.80

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Solution

The fourth proportional to 113,553.60, 170,330.40 and 54,358.80 is: 81,538.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,553.60 : 170,330.40 = 54,358.80 : x
  2. Step 2: Convert to fraction form
    113,553.60/170,330.40 = 54,358.80/x
  3. Step 3: Cross multiply
    113,553.60x = 170,330.40 × 54,358.80
  4. Step 4: Simplify right side
    113,553.60x = 9,258,956,147.52
  5. Step 5: Solve for x
    x = 9,258,956,147.52/113,553.60
  6. Step 6: Final answer
    x = 81,538.20

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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.