Home / 112,003.60-154,564.92-61,702.60

Finding the Fourth Proportional to 112,003.60, 154,564.92 and 61,702.60

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Solution

The fourth proportional to 112,003.60, 154,564.92 and 61,702.60 is: 85,149.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,003.60 : 154,564.92 = 61,702.60 : x
  2. Step 2: Convert to fraction form
    112,003.60/154,564.92 = 61,702.60/x
  3. Step 3: Cross multiply
    112,003.60x = 154,564.92 × 61,702.60
  4. Step 4: Simplify right side
    112,003.60x = 9,537,057,046.38
  5. Step 5: Solve for x
    x = 9,537,057,046.38/112,003.60
  6. Step 6: Final answer
    x = 85,149.56

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1.5x scale

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.