Home / 79,725.16-119,366.28-40,162.32

Finding the Fourth Proportional to 79,725.16, 119,366.28 and 40,162.32

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Solution

The fourth proportional to 79,725.16, 119,366.28 and 40,162.32 is: 60,131.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,725.16 : 119,366.28 = 40,162.32 : x
  2. Step 2: Convert to fraction form
    79,725.16/119,366.28 = 40,162.32/x
  3. Step 3: Cross multiply
    79,725.16x = 119,366.28 × 40,162.32
  4. Step 4: Simplify right side
    79,725.16x = 4,794,026,734.57
  5. Step 5: Solve for x
    x = 4,794,026,734.57/79,725.16
  6. Step 6: Final answer
    x = 60,131.92

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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.