Home / 140,488.86-193,855.32-80,047.92

Finding the Fourth Proportional to 140,488.86, 193,855.32 and 80,047.92

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Solution

The fourth proportional to 140,488.86, 193,855.32 and 80,047.92 is: 110,455.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,488.86 : 193,855.32 = 80,047.92 : x
  2. Step 2: Convert to fraction form
    140,488.86/193,855.32 = 80,047.92/x
  3. Step 3: Cross multiply
    140,488.86x = 193,855.32 × 80,047.92
  4. Step 4: Simplify right side
    140,488.86x = 15,517,715,146.93
  5. Step 5: Solve for x
    x = 15,517,715,146.93/140,488.86
  6. Step 6: Final answer
    x = 110,455.13

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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.