Home / 112,683.20-155,502.80-62,382.20

Finding the Fourth Proportional to 112,683.20, 155,502.80 and 62,382.20

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Solution

The fourth proportional to 112,683.20, 155,502.80 and 62,382.20 is: 86,087.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,683.20 : 155,502.80 = 62,382.20 : x
  2. Step 2: Convert to fraction form
    112,683.20/155,502.80 = 62,382.20/x
  3. Step 3: Cross multiply
    112,683.20x = 155,502.80 × 62,382.20
  4. Step 4: Simplify right side
    112,683.20x = 9,700,605,680.74
  5. Step 5: Solve for x
    x = 9,700,605,680.74/112,683.20
  6. Step 6: Final answer
    x = 86,087.42

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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.