Home / 90,297.32-124,614.75-54,486.71

Finding the Fourth Proportional to 90,297.32, 124,614.75 and 54,486.71

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Solution

The fourth proportional to 90,297.32, 124,614.75 and 54,486.71 is: 75,194.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,297.32 : 124,614.75 = 54,486.71 : x
  2. Step 2: Convert to fraction form
    90,297.32/124,614.75 = 54,486.71/x
  3. Step 3: Cross multiply
    90,297.32x = 124,614.75 × 54,486.71
  4. Step 4: Simplify right side
    90,297.32x = 6,789,847,793.53
  5. Step 5: Solve for x
    x = 6,789,847,793.53/90,297.32
  6. Step 6: Final answer
    x = 75,194.35

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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.