Home / 144,294.22-199,130.43-80,634.70

Finding the Fourth Proportional to 144,294.22, 199,130.43 and 80,634.70

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Solution

The fourth proportional to 144,294.22, 199,130.43 and 80,634.70 is: 111,278.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,294.22 : 199,130.43 = 80,634.70 : x
  2. Step 2: Convert to fraction form
    144,294.22/199,130.43 = 80,634.70/x
  3. Step 3: Cross multiply
    144,294.22x = 199,130.43 × 80,634.70
  4. Step 4: Simplify right side
    144,294.22x = 16,056,822,483.92
  5. Step 5: Solve for x
    x = 16,056,822,483.92/144,294.22
  6. Step 6: Final answer
    x = 111,278.35

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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.