Home / 112,819.12-155,695.44-62,514.88

Finding the Fourth Proportional to 112,819.12, 155,695.44 and 62,514.88

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Solution

The fourth proportional to 112,819.12, 155,695.44 and 62,514.88 is: 86,273.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,819.12 : 155,695.44 = 62,514.88 : x
  2. Step 2: Convert to fraction form
    112,819.12/155,695.44 = 62,514.88/x
  3. Step 3: Cross multiply
    112,819.12x = 155,695.44 × 62,514.88
  4. Step 4: Simplify right side
    112,819.12x = 9,733,281,748.15
  5. Step 5: Solve for x
    x = 9,733,281,748.15/112,819.12
  6. Step 6: Final answer
    x = 86,273.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.