Home / 90,864.06-136,354.41-44,091.42

Finding the Fourth Proportional to 90,864.06, 136,354.41 and 44,091.42

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Solution

The fourth proportional to 90,864.06, 136,354.41 and 44,091.42 is: 66,165.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,864.06 : 136,354.41 = 44,091.42 : x
  2. Step 2: Convert to fraction form
    90,864.06/136,354.41 = 44,091.42/x
  3. Step 3: Cross multiply
    90,864.06x = 136,354.41 × 44,091.42
  4. Step 4: Simplify right side
    90,864.06x = 6,012,059,560.16
  5. Step 5: Solve for x
    x = 6,012,059,560.16/90,864.06
  6. Step 6: Final answer
    x = 66,165.43

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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.