Home / 90,679.25-136,018.70-24,119.45

Finding the Fourth Proportional to 90,679.25, 136,018.70 and 24,119.45

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Solution

The fourth proportional to 90,679.25, 136,018.70 and 24,119.45 is: 36,179.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,679.25 : 136,018.70 = 24,119.45 : x
  2. Step 2: Convert to fraction form
    90,679.25/136,018.70 = 24,119.45/x
  3. Step 3: Cross multiply
    90,679.25x = 136,018.70 × 24,119.45
  4. Step 4: Simplify right side
    90,679.25x = 3,280,695,433.02
  5. Step 5: Solve for x
    x = 3,280,695,433.02/90,679.25
  6. Step 6: Final answer
    x = 36,179.12

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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.