Home / 215,487.20-297,372.32-124,895.72

Finding the Fourth Proportional to 215,487.20, 297,372.32 and 124,895.72

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Solution

The fourth proportional to 215,487.20, 297,372.32 and 124,895.72 is: 172,356.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,487.20 : 297,372.32 = 124,895.72 : x
  2. Step 2: Convert to fraction form
    215,487.20/297,372.32 = 124,895.72/x
  3. Step 3: Cross multiply
    215,487.20x = 297,372.32 × 124,895.72
  4. Step 4: Simplify right side
    215,487.20x = 37,140,527,903.13
  5. Step 5: Solve for x
    x = 37,140,527,903.13/215,487.20
  6. Step 6: Final answer
    x = 172,356.08

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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.