Home / 144,689.26-199,666.54-80,155.85

Finding the Fourth Proportional to 144,689.26, 199,666.54 and 80,155.85

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Solution

The fourth proportional to 144,689.26, 199,666.54 and 80,155.85 is: 110,612.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,689.26 : 199,666.54 = 80,155.85 : x
  2. Step 2: Convert to fraction form
    144,689.26/199,666.54 = 80,155.85/x
  3. Step 3: Cross multiply
    144,689.26x = 199,666.54 × 80,155.85
  4. Step 4: Simplify right side
    144,689.26x = 16,004,441,230.26
  5. Step 5: Solve for x
    x = 16,004,441,230.26/144,689.26
  6. Step 6: Final answer
    x = 110,612.50

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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.