Home / 143,841.60-198,501.48-80,177.94

Finding the Fourth Proportional to 143,841.60, 198,501.48 and 80,177.94

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Solution

The fourth proportional to 143,841.60, 198,501.48 and 80,177.94 is: 110,645.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,841.60 : 198,501.48 = 80,177.94 : x
  2. Step 2: Convert to fraction form
    143,841.60/198,501.48 = 80,177.94/x
  3. Step 3: Cross multiply
    143,841.60x = 198,501.48 × 80,177.94
  4. Step 4: Simplify right side
    143,841.60x = 15,915,439,753.35
  5. Step 5: Solve for x
    x = 15,915,439,753.35/143,841.60
  6. Step 6: Final answer
    x = 110,645.60

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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.