Home / 144,713.20-217,402.60-102,116.72

Finding the Fourth Proportional to 144,713.20, 217,402.60 and 102,116.72

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Solution

The fourth proportional to 144,713.20, 217,402.60 and 102,116.72 is: 153,409.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,713.20 : 217,402.60 = 102,116.72 : x
  2. Step 2: Convert to fraction form
    144,713.20/217,402.60 = 102,116.72/x
  3. Step 3: Cross multiply
    144,713.20x = 217,402.60 × 102,116.72
  4. Step 4: Simplify right side
    144,713.20x = 22,200,440,431.47
  5. Step 5: Solve for x
    x = 22,200,440,431.47/144,713.20
  6. Step 6: Final answer
    x = 153,409.92

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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.