Home / 172,162.16-237,517.20-126,947.12

Finding the Fourth Proportional to 172,162.16, 237,517.20 and 126,947.12

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Solution

The fourth proportional to 172,162.16, 237,517.20 and 126,947.12 is: 175,137.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,162.16 : 237,517.20 = 126,947.12 : x
  2. Step 2: Convert to fraction form
    172,162.16/237,517.20 = 126,947.12/x
  3. Step 3: Cross multiply
    172,162.16x = 237,517.20 × 126,947.12
  4. Step 4: Simplify right side
    172,162.16x = 30,152,124,490.46
  5. Step 5: Solve for x
    x = 30,152,124,490.46/172,162.16
  6. Step 6: Final answer
    x = 175,137.93

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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.