Home / 144,342.46-199,199.01-80,680.24

Finding the Fourth Proportional to 144,342.46, 199,199.01 and 80,680.24

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Solution

The fourth proportional to 144,342.46, 199,199.01 and 80,680.24 is: 111,342.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,342.46 : 199,199.01 = 80,680.24 : x
  2. Step 2: Convert to fraction form
    144,342.46/199,199.01 = 80,680.24/x
  3. Step 3: Cross multiply
    144,342.46x = 199,199.01 × 80,680.24
  4. Step 4: Simplify right side
    144,342.46x = 16,071,423,934.56
  5. Step 5: Solve for x
    x = 16,071,423,934.56/144,342.46
  6. Step 6: Final answer
    x = 111,342.32

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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.