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Finding the Fourth Proportional to 92,463.96, 127,601.31 and 52,178.21

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Solution

The fourth proportional to 92,463.96, 127,601.31 and 52,178.21 is: 72,006.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,463.96 : 127,601.31 = 52,178.21 : x
  2. Step 2: Convert to fraction form
    92,463.96/127,601.31 = 52,178.21/x
  3. Step 3: Cross multiply
    92,463.96x = 127,601.31 × 52,178.21
  4. Step 4: Simplify right side
    92,463.96x = 6,658,007,050.56
  5. Step 5: Solve for x
    x = 6,658,007,050.56/92,463.96
  6. Step 6: Final answer
    x = 72,006.51

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1.5x scale

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.