Home / 112,379.28-155,080.44-62,077.20

Finding the Fourth Proportional to 112,379.28, 155,080.44 and 62,077.20

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Solution

The fourth proportional to 112,379.28, 155,080.44 and 62,077.20 is: 85,664.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,379.28 : 155,080.44 = 62,077.20 : x
  2. Step 2: Convert to fraction form
    112,379.28/155,080.44 = 62,077.20/x
  3. Step 3: Cross multiply
    112,379.28x = 155,080.44 × 62,077.20
  4. Step 4: Simplify right side
    112,379.28x = 9,626,959,489.97
  5. Step 5: Solve for x
    x = 9,626,959,489.97/112,379.28
  6. Step 6: Final answer
    x = 85,664.90

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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.