Home / 215,895.47-323,852.92-66,124.85

Finding the Fourth Proportional to 215,895.47, 323,852.92 and 66,124.85

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Solution

The fourth proportional to 215,895.47, 323,852.92 and 66,124.85 is: 99,190.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,895.47 : 323,852.92 = 66,124.85 : x
  2. Step 2: Convert to fraction form
    215,895.47/323,852.92 = 66,124.85/x
  3. Step 3: Cross multiply
    215,895.47x = 323,852.92 × 66,124.85
  4. Step 4: Simplify right side
    215,895.47x = 21,414,723,972.49
  5. Step 5: Solve for x
    x = 21,414,723,972.49/215,895.47
  6. Step 6: Final answer
    x = 99,190.24

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1.5x scale

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.