Home / 102,531.90-153,819.45-43,337.10

Finding the Fourth Proportional to 102,531.90, 153,819.45 and 43,337.10

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Solution

The fourth proportional to 102,531.90, 153,819.45 and 43,337.10 is: 65,014.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,531.90 : 153,819.45 = 43,337.10 : x
  2. Step 2: Convert to fraction form
    102,531.90/153,819.45 = 43,337.10/x
  3. Step 3: Cross multiply
    102,531.90x = 153,819.45 × 43,337.10
  4. Step 4: Simplify right side
    102,531.90x = 6,666,088,886.60
  5. Step 5: Solve for x
    x = 6,666,088,886.60/102,531.90
  6. Step 6: Final answer
    x = 65,014.78

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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.