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Finding the Fourth Proportional to 127,242.76, 190,864.01 and 32,472.94

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Solution

The fourth proportional to 127,242.76, 190,864.01 and 32,472.94 is: 48,709.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,242.76 : 190,864.01 = 32,472.94 : x
  2. Step 2: Convert to fraction form
    127,242.76/190,864.01 = 32,472.94/x
  3. Step 3: Cross multiply
    127,242.76x = 190,864.01 × 32,472.94
  4. Step 4: Simplify right side
    127,242.76x = 6,197,915,544.89
  5. Step 5: Solve for x
    x = 6,197,915,544.89/127,242.76
  6. Step 6: Final answer
    x = 48,709.38

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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.