Home / 90,188.89-124,534.24-57,939.53

Finding the Fourth Proportional to 90,188.89, 124,534.24 and 57,939.53

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Solution

The fourth proportional to 90,188.89, 124,534.24 and 57,939.53 is: 80,003.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,188.89 : 124,534.24 = 57,939.53 : x
  2. Step 2: Convert to fraction form
    90,188.89/124,534.24 = 57,939.53/x
  3. Step 3: Cross multiply
    90,188.89x = 124,534.24 × 57,939.53
  4. Step 4: Simplify right side
    90,188.89x = 7,215,454,566.99
  5. Step 5: Solve for x
    x = 7,215,454,566.99/90,188.89
  6. Step 6: Final answer
    x = 80,003.81

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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.