Home / 90,444.90-124,805.07-50,157.96

Finding the Fourth Proportional to 90,444.90, 124,805.07 and 50,157.96

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Solution

The fourth proportional to 90,444.90, 124,805.07 and 50,157.96 is: 69,213.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,444.90 : 124,805.07 = 50,157.96 : x
  2. Step 2: Convert to fraction form
    90,444.90/124,805.07 = 50,157.96/x
  3. Step 3: Cross multiply
    90,444.90x = 124,805.07 × 50,157.96
  4. Step 4: Simplify right side
    90,444.90x = 6,259,967,708.86
  5. Step 5: Solve for x
    x = 6,259,967,708.86/90,444.90
  6. Step 6: Final answer
    x = 69,213.05

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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.