Home / 187,269.46-280,932.20-68,931.78

Finding the Fourth Proportional to 187,269.46, 280,932.20 and 68,931.78

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Solution

The fourth proportional to 187,269.46, 280,932.20 and 68,931.78 is: 103,407.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,269.46 : 280,932.20 = 68,931.78 : x
  2. Step 2: Convert to fraction form
    187,269.46/280,932.20 = 68,931.78/x
  3. Step 3: Cross multiply
    187,269.46x = 280,932.20 × 68,931.78
  4. Step 4: Simplify right side
    187,269.46x = 19,365,156,605.32
  5. Step 5: Solve for x
    x = 19,365,156,605.32/187,269.46
  6. Step 6: Final answer
    x = 103,407.98

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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.