Home / 144,294.60-199,126.08-80,632.38

Finding the Fourth Proportional to 144,294.60, 199,126.08 and 80,632.38

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Solution

The fourth proportional to 144,294.60, 199,126.08 and 80,632.38 is: 111,272.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,294.60 : 199,126.08 = 80,632.38 : x
  2. Step 2: Convert to fraction form
    144,294.60/199,126.08 = 80,632.38/x
  3. Step 3: Cross multiply
    144,294.60x = 199,126.08 × 80,632.38
  4. Step 4: Simplify right side
    144,294.60x = 16,056,009,750.47
  5. Step 5: Solve for x
    x = 16,056,009,750.47/144,294.60
  6. Step 6: Final answer
    x = 111,272.42

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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.