Home / 83,329.16-124,994.08-20,149.18

Finding the Fourth Proportional to 83,329.16, 124,994.08 and 20,149.18

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Solution

The fourth proportional to 83,329.16, 124,994.08 and 20,149.18 is: 30,223.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,329.16 : 124,994.08 = 20,149.18 : x
  2. Step 2: Convert to fraction form
    83,329.16/124,994.08 = 20,149.18/x
  3. Step 3: Cross multiply
    83,329.16x = 124,994.08 × 20,149.18
  4. Step 4: Simplify right side
    83,329.16x = 2,518,528,216.85
  5. Step 5: Solve for x
    x = 2,518,528,216.85/83,329.16
  6. Step 6: Final answer
    x = 30,223.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.