Home / 90,444.56-124,814.96-50,160

Finding the Fourth Proportional to 90,444.56, 124,814.96 and 50,160

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Solution

The fourth proportional to 90,444.56, 124,814.96 and 50,160 is: 69,221.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,444.56 : 124,814.96 = 50,160 : x
  2. Step 2: Convert to fraction form
    90,444.56/124,814.96 = 50,160/x
  3. Step 3: Cross multiply
    90,444.56x = 124,814.96 × 50,160
  4. Step 4: Simplify right side
    90,444.56x = 6,260,718,393.60
  5. Step 5: Solve for x
    x = 6,260,718,393.60/90,444.56
  6. Step 6: Final answer
    x = 69,221.61

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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.