Home / 83,232.04-124,838.78-20,902.68

Finding the Fourth Proportional to 83,232.04, 124,838.78 and 20,902.68

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Solution

The fourth proportional to 83,232.04, 124,838.78 and 20,902.68 is: 31,351.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,232.04 : 124,838.78 = 20,902.68 : x
  2. Step 2: Convert to fraction form
    83,232.04/124,838.78 = 20,902.68/x
  3. Step 3: Cross multiply
    83,232.04x = 124,838.78 × 20,902.68
  4. Step 4: Simplify right side
    83,232.04x = 2,609,465,069.93
  5. Step 5: Solve for x
    x = 2,609,465,069.93/83,232.04
  6. Step 6: Final answer
    x = 31,351.69

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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.