Home / 102,677.32-141,690.55-57,354.58

Finding the Fourth Proportional to 102,677.32, 141,690.55 and 57,354.58

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Solution

The fourth proportional to 102,677.32, 141,690.55 and 57,354.58 is: 79,147.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,677.32 : 141,690.55 = 57,354.58 : x
  2. Step 2: Convert to fraction form
    102,677.32/141,690.55 = 57,354.58/x
  3. Step 3: Cross multiply
    102,677.32x = 141,690.55 × 57,354.58
  4. Step 4: Simplify right side
    102,677.32x = 8,126,601,985.22
  5. Step 5: Solve for x
    x = 8,126,601,985.22/102,677.32
  6. Step 6: Final answer
    x = 79,147.00

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.