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Finding the Fourth Proportional to 134,251.92, 201,373.16 and 34,412.94

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Solution

The fourth proportional to 134,251.92, 201,373.16 and 34,412.94 is: 51,618.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,251.92 : 201,373.16 = 34,412.94 : x
  2. Step 2: Convert to fraction form
    134,251.92/201,373.16 = 34,412.94/x
  3. Step 3: Cross multiply
    134,251.92x = 201,373.16 × 34,412.94
  4. Step 4: Simplify right side
    134,251.92x = 6,929,842,300.63
  5. Step 5: Solve for x
    x = 6,929,842,300.63/134,251.92
  6. Step 6: Final answer
    x = 51,618.20

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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.