Home / 102,847.40-141,942.55-57,527.90

Finding the Fourth Proportional to 102,847.40, 141,942.55 and 57,527.90

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Solution

The fourth proportional to 102,847.40, 141,942.55 and 57,527.90 is: 79,395.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,847.40 : 141,942.55 = 57,527.90 : x
  2. Step 2: Convert to fraction form
    102,847.40/141,942.55 = 57,527.90/x
  3. Step 3: Cross multiply
    102,847.40x = 141,942.55 × 57,527.90
  4. Step 4: Simplify right side
    102,847.40x = 8,165,656,184.34
  5. Step 5: Solve for x
    x = 8,165,656,184.34/102,847.40
  6. Step 6: Final answer
    x = 79,395.85

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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.