Home / 185,622.12-278,010.54-145,389.96

Finding the Fourth Proportional to 185,622.12, 278,010.54 and 145,389.96

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Solution

The fourth proportional to 185,622.12, 278,010.54 and 145,389.96 is: 217,753.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,622.12 : 278,010.54 = 145,389.96 : x
  2. Step 2: Convert to fraction form
    185,622.12/278,010.54 = 145,389.96/x
  3. Step 3: Cross multiply
    185,622.12x = 278,010.54 × 145,389.96
  4. Step 4: Simplify right side
    185,622.12x = 40,419,941,290.18
  5. Step 5: Solve for x
    x = 40,419,941,290.18/185,622.12
  6. Step 6: Final answer
    x = 217,753.90

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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.