Home / 90,905.64-136,358.73-44,125.71

Finding the Fourth Proportional to 90,905.64, 136,358.73 and 44,125.71

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Solution

The fourth proportional to 90,905.64, 136,358.73 and 44,125.71 is: 66,188.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,905.64 : 136,358.73 = 44,125.71 : x
  2. Step 2: Convert to fraction form
    90,905.64/136,358.73 = 44,125.71/x
  3. Step 3: Cross multiply
    90,905.64x = 136,358.73 × 44,125.71
  4. Step 4: Simplify right side
    90,905.64x = 6,016,925,775.95
  5. Step 5: Solve for x
    x = 6,016,925,775.95/90,905.64
  6. Step 6: Final answer
    x = 66,188.70

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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.