Home / 231,037.04-318,654.60-159,536.72

Finding the Fourth Proportional to 231,037.04, 318,654.60 and 159,536.72

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Solution

The fourth proportional to 231,037.04, 318,654.60 and 159,536.72 is: 220,038.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,037.04 : 318,654.60 = 159,536.72 : x
  2. Step 2: Convert to fraction form
    231,037.04/318,654.60 = 159,536.72/x
  3. Step 3: Cross multiply
    231,037.04x = 318,654.60 × 159,536.72
  4. Step 4: Simplify right side
    231,037.04x = 50,837,109,696.91
  5. Step 5: Solve for x
    x = 50,837,109,696.91/231,037.04
  6. Step 6: Final answer
    x = 220,038.79

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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.