Home / 144,901.60-217,352.40-102,911.20

Finding the Fourth Proportional to 144,901.60, 217,352.40 and 102,911.20

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Solution

The fourth proportional to 144,901.60, 217,352.40 and 102,911.20 is: 154,366.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,901.60 : 217,352.40 = 102,911.20 : x
  2. Step 2: Convert to fraction form
    144,901.60/217,352.40 = 102,911.20/x
  3. Step 3: Cross multiply
    144,901.60x = 217,352.40 × 102,911.20
  4. Step 4: Simplify right side
    144,901.60x = 22,367,996,306.88
  5. Step 5: Solve for x
    x = 22,367,996,306.88/144,901.60
  6. Step 6: Final answer
    x = 154,366.80

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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.