Home / 198,691.02-298,051.14-58,455.72

Finding the Fourth Proportional to 198,691.02, 298,051.14 and 58,455.72

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Solution

The fourth proportional to 198,691.02, 298,051.14 and 58,455.72 is: 87,687.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,691.02 : 298,051.14 = 58,455.72 : x
  2. Step 2: Convert to fraction form
    198,691.02/298,051.14 = 58,455.72/x
  3. Step 3: Cross multiply
    198,691.02x = 298,051.14 × 58,455.72
  4. Step 4: Simplify right side
    198,691.02x = 17,422,793,985.52
  5. Step 5: Solve for x
    x = 17,422,793,985.52/198,691.02
  6. Step 6: Final answer
    x = 87,687.88

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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.