Home / 112,963.05-169,435.40-38,081.61

Finding the Fourth Proportional to 112,963.05, 169,435.40 and 38,081.61

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Solution

The fourth proportional to 112,963.05, 169,435.40 and 38,081.61 is: 57,119.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,963.05 : 169,435.40 = 38,081.61 : x
  2. Step 2: Convert to fraction form
    112,963.05/169,435.40 = 38,081.61/x
  3. Step 3: Cross multiply
    112,963.05x = 169,435.40 × 38,081.61
  4. Step 4: Simplify right side
    112,963.05x = 6,452,372,632.59
  5. Step 5: Solve for x
    x = 6,452,372,632.59/112,963.05
  6. Step 6: Final answer
    x = 57,119.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.