Home / 90,972.95-136,454.85-34,839.95

Finding the Fourth Proportional to 90,972.95, 136,454.85 and 34,839.95

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Solution

The fourth proportional to 90,972.95, 136,454.85 and 34,839.95 is: 52,258.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,972.95 : 136,454.85 = 34,839.95 : x
  2. Step 2: Convert to fraction form
    90,972.95/136,454.85 = 34,839.95/x
  3. Step 3: Cross multiply
    90,972.95x = 136,454.85 × 34,839.95
  4. Step 4: Simplify right side
    90,972.95x = 4,754,079,468.98
  5. Step 5: Solve for x
    x = 4,754,079,468.98/90,972.95
  6. Step 6: Final answer
    x = 52,258.17

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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.