Home / 136,334.34-204,512.45-47,585.88

Finding the Fourth Proportional to 136,334.34, 204,512.45 and 47,585.88

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Solution

The fourth proportional to 136,334.34, 204,512.45 and 47,585.88 is: 71,382.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,334.34 : 204,512.45 = 47,585.88 : x
  2. Step 2: Convert to fraction form
    136,334.34/204,512.45 = 47,585.88/x
  3. Step 3: Cross multiply
    136,334.34x = 204,512.45 × 47,585.88
  4. Step 4: Simplify right side
    136,334.34x = 9,731,904,666.28
  5. Step 5: Solve for x
    x = 9,731,904,666.28/136,334.34
  6. Step 6: Final answer
    x = 71,382.64

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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.