Home / 83,454.08-124,436.72-74,181.20

Finding the Fourth Proportional to 83,454.08, 124,436.72 and 74,181.20

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Solution

The fourth proportional to 83,454.08, 124,436.72 and 74,181.20 is: 110,610.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,454.08 : 124,436.72 = 74,181.20 : x
  2. Step 2: Convert to fraction form
    83,454.08/124,436.72 = 74,181.20/x
  3. Step 3: Cross multiply
    83,454.08x = 124,436.72 × 74,181.20
  4. Step 4: Simplify right side
    83,454.08x = 9,230,865,213.66
  5. Step 5: Solve for x
    x = 9,230,865,213.66/83,454.08
  6. Step 6: Final answer
    x = 110,610.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.