Home / 144,612.69-199,569.74-80,948.85

Finding the Fourth Proportional to 144,612.69, 199,569.74 and 80,948.85

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Solution

The fourth proportional to 144,612.69, 199,569.74 and 80,948.85 is: 111,711.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,612.69 : 199,569.74 = 80,948.85 : x
  2. Step 2: Convert to fraction form
    144,612.69/199,569.74 = 80,948.85/x
  3. Step 3: Cross multiply
    144,612.69x = 199,569.74 × 80,948.85
  4. Step 4: Simplify right side
    144,612.69x = 16,154,940,543.05
  5. Step 5: Solve for x
    x = 16,154,940,543.05/144,612.69
  6. Step 6: Final answer
    x = 111,711.78

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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.