Home / 112,342.24-155,032.24-62,040.80

Finding the Fourth Proportional to 112,342.24, 155,032.24 and 62,040.80

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Solution

The fourth proportional to 112,342.24, 155,032.24 and 62,040.80 is: 85,616.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,342.24 : 155,032.24 = 62,040.80 : x
  2. Step 2: Convert to fraction form
    112,342.24/155,032.24 = 62,040.80/x
  3. Step 3: Cross multiply
    112,342.24x = 155,032.24 × 62,040.80
  4. Step 4: Simplify right side
    112,342.24x = 9,618,324,195.39
  5. Step 5: Solve for x
    x = 9,618,324,195.39/112,342.24
  6. Step 6: Final answer
    x = 85,616.28

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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.