Home / 88,191.27-121,723.20-54,228.98

Finding the Fourth Proportional to 88,191.27, 121,723.20 and 54,228.98

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Solution

The fourth proportional to 88,191.27, 121,723.20 and 54,228.98 is: 74,847.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,191.27 : 121,723.20 = 54,228.98 : x
  2. Step 2: Convert to fraction form
    88,191.27/121,723.20 = 54,228.98/x
  3. Step 3: Cross multiply
    88,191.27x = 121,723.20 × 54,228.98
  4. Step 4: Simplify right side
    88,191.27x = 6,600,924,369.72
  5. Step 5: Solve for x
    x = 6,600,924,369.72/88,191.27
  6. Step 6: Final answer
    x = 74,847.82

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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.