Home / 215,458.16-297,351-126,062.96

Finding the Fourth Proportional to 215,458.16, 297,351 and 126,062.96

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Solution

The fourth proportional to 215,458.16, 297,351 and 126,062.96 is: 173,977.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,458.16 : 297,351 = 126,062.96 : x
  2. Step 2: Convert to fraction form
    215,458.16/297,351 = 126,062.96/x
  3. Step 3: Cross multiply
    215,458.16x = 297,351 × 126,062.96
  4. Step 4: Simplify right side
    215,458.16x = 37,484,947,218.96
  5. Step 5: Solve for x
    x = 37,484,947,218.96/215,458.16
  6. Step 6: Final answer
    x = 173,977.85

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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.