Home / 90,679.50-136,019.08-24,119.70

Finding the Fourth Proportional to 90,679.50, 136,019.08 and 24,119.70

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Solution

The fourth proportional to 90,679.50, 136,019.08 and 24,119.70 is: 36,179.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,679.50 : 136,019.08 = 24,119.70 : x
  2. Step 2: Convert to fraction form
    90,679.50/136,019.08 = 24,119.70/x
  3. Step 3: Cross multiply
    90,679.50x = 136,019.08 × 24,119.70
  4. Step 4: Simplify right side
    90,679.50x = 3,280,739,403.88
  5. Step 5: Solve for x
    x = 3,280,739,403.88/90,679.50
  6. Step 6: Final answer
    x = 36,179.50

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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.