Home / 144,098.60-198,855.86-80,436.39

Finding the Fourth Proportional to 144,098.60, 198,855.86 and 80,436.39

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Solution

The fourth proportional to 144,098.60, 198,855.86 and 80,436.39 is: 111,002.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,098.60 : 198,855.86 = 80,436.39 : x
  2. Step 2: Convert to fraction form
    144,098.60/198,855.86 = 80,436.39/x
  3. Step 3: Cross multiply
    144,098.60x = 198,855.86 × 80,436.39
  4. Step 4: Simplify right side
    144,098.60x = 15,995,247,931.87
  5. Step 5: Solve for x
    x = 15,995,247,931.87/144,098.60
  6. Step 6: Final answer
    x = 111,002.11

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1.5x scale

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.