Home / 185,567.10-278,350.65-138,327.90

Finding the Fourth Proportional to 185,567.10, 278,350.65 and 138,327.90

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Solution

The fourth proportional to 185,567.10, 278,350.65 and 138,327.90 is: 207,491.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,567.10 : 278,350.65 = 138,327.90 : x
  2. Step 2: Convert to fraction form
    185,567.10/278,350.65 = 138,327.90/x
  3. Step 3: Cross multiply
    185,567.10x = 278,350.65 × 138,327.90
  4. Step 4: Simplify right side
    185,567.10x = 38,503,660,878.14
  5. Step 5: Solve for x
    x = 38,503,660,878.14/185,567.10
  6. Step 6: Final answer
    x = 207,491.85

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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.