Home / 112,634.56-155,470.26-64,919.65

Finding the Fourth Proportional to 112,634.56, 155,470.26 and 64,919.65

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Solution

The fourth proportional to 112,634.56, 155,470.26 and 64,919.65 is: 89,609.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,634.56 : 155,470.26 = 64,919.65 : x
  2. Step 2: Convert to fraction form
    112,634.56/155,470.26 = 64,919.65/x
  3. Step 3: Cross multiply
    112,634.56x = 155,470.26 × 64,919.65
  4. Step 4: Simplify right side
    112,634.56x = 10,093,074,864.61
  5. Step 5: Solve for x
    x = 10,093,074,864.61/112,634.56
  6. Step 6: Final answer
    x = 89,609.04

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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.