Home / 140,884.15-194,423.50-77,225.44

Finding the Fourth Proportional to 140,884.15, 194,423.50 and 77,225.44

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Solution

The fourth proportional to 140,884.15, 194,423.50 and 77,225.44 is: 106,572.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,884.15 : 194,423.50 = 77,225.44 : x
  2. Step 2: Convert to fraction form
    140,884.15/194,423.50 = 77,225.44/x
  3. Step 3: Cross multiply
    140,884.15x = 194,423.50 × 77,225.44
  4. Step 4: Simplify right side
    140,884.15x = 15,014,439,944.31
  5. Step 5: Solve for x
    x = 15,014,439,944.31/140,884.15
  6. Step 6: Final answer
    x = 106,572.96

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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.