Home / 102,396.96-141,316.02-57,089.61

Finding the Fourth Proportional to 102,396.96, 141,316.02 and 57,089.61

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Solution

The fourth proportional to 102,396.96, 141,316.02 and 57,089.61 is: 78,788.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,396.96 : 141,316.02 = 57,089.61 : x
  2. Step 2: Convert to fraction form
    102,396.96/141,316.02 = 57,089.61/x
  3. Step 3: Cross multiply
    102,396.96x = 141,316.02 × 57,089.61
  4. Step 4: Simplify right side
    102,396.96x = 8,067,676,468.55
  5. Step 5: Solve for x
    x = 8,067,676,468.55/102,396.96
  6. Step 6: Final answer
    x = 78,788.24

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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.