Home / 112,748.22-155,590.79-61,760.52

Finding the Fourth Proportional to 112,748.22, 155,590.79 and 61,760.52

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Solution

The fourth proportional to 112,748.22, 155,590.79 and 61,760.52 is: 85,228.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,748.22 : 155,590.79 = 61,760.52 : x
  2. Step 2: Convert to fraction form
    112,748.22/155,590.79 = 61,760.52/x
  3. Step 3: Cross multiply
    112,748.22x = 155,590.79 × 61,760.52
  4. Step 4: Simplify right side
    112,748.22x = 9,609,367,788.81
  5. Step 5: Solve for x
    x = 9,609,367,788.81/112,748.22
  6. Step 6: Final answer
    x = 85,228.55

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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.