Home / 90,184.59-124,454.88-49,900.05

Finding the Fourth Proportional to 90,184.59, 124,454.88 and 49,900.05

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Solution

The fourth proportional to 90,184.59, 124,454.88 and 49,900.05 is: 68,862.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,184.59 : 124,454.88 = 49,900.05 : x
  2. Step 2: Convert to fraction form
    90,184.59/124,454.88 = 49,900.05/x
  3. Step 3: Cross multiply
    90,184.59x = 124,454.88 × 49,900.05
  4. Step 4: Simplify right side
    90,184.59x = 6,210,304,734.74
  5. Step 5: Solve for x
    x = 6,210,304,734.74/90,184.59
  6. Step 6: Final answer
    x = 68,862.15

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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.