Home / 112,680.20-155,498.66-62,379.20

Finding the Fourth Proportional to 112,680.20, 155,498.66 and 62,379.20

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Solution

The fourth proportional to 112,680.20, 155,498.66 and 62,379.20 is: 86,083.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,680.20 : 155,498.66 = 62,379.20 : x
  2. Step 2: Convert to fraction form
    112,680.20/155,498.66 = 62,379.20/x
  3. Step 3: Cross multiply
    112,680.20x = 155,498.66 × 62,379.20
  4. Step 4: Simplify right side
    112,680.20x = 9,699,880,922.48
  5. Step 5: Solve for x
    x = 9,699,880,922.48/112,680.20
  6. Step 6: Final answer
    x = 86,083.28

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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.