Home / 112,486.60-155,219.22-62,175.88

Finding the Fourth Proportional to 112,486.60, 155,219.22 and 62,175.88

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Solution

The fourth proportional to 112,486.60, 155,219.22 and 62,175.88 is: 85,795.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,486.60 : 155,219.22 = 62,175.88 : x
  2. Step 2: Convert to fraction form
    112,486.60/155,219.22 = 62,175.88/x
  3. Step 3: Cross multiply
    112,486.60x = 155,219.22 × 62,175.88
  4. Step 4: Simplify right side
    112,486.60x = 9,650,891,596.41
  5. Step 5: Solve for x
    x = 9,650,891,596.41/112,486.60
  6. Step 6: Final answer
    x = 85,795.92

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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.