Home / 112,588.75-155,377.38-62,287.75

Finding the Fourth Proportional to 112,588.75, 155,377.38 and 62,287.75

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Solution

The fourth proportional to 112,588.75, 155,377.38 and 62,287.75 is: 85,959.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,588.75 : 155,377.38 = 62,287.75 : x
  2. Step 2: Convert to fraction form
    112,588.75/155,377.38 = 62,287.75/x
  3. Step 3: Cross multiply
    112,588.75x = 155,377.38 × 62,287.75
  4. Step 4: Simplify right side
    112,588.75x = 9,678,107,401.10
  5. Step 5: Solve for x
    x = 9,678,107,401.10/112,588.75
  6. Step 6: Final answer
    x = 85,959.81

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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.