Home / 126,255.64-189,415.17-36,298.51

Finding the Fourth Proportional to 126,255.64, 189,415.17 and 36,298.51

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Solution

The fourth proportional to 126,255.64, 189,415.17 and 36,298.51 is: 54,456.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,255.64 : 189,415.17 = 36,298.51 : x
  2. Step 2: Convert to fraction form
    126,255.64/189,415.17 = 36,298.51/x
  3. Step 3: Cross multiply
    126,255.64x = 189,415.17 × 36,298.51
  4. Step 4: Simplify right side
    126,255.64x = 6,875,488,442.40
  5. Step 5: Solve for x
    x = 6,875,488,442.40/126,255.64
  6. Step 6: Final answer
    x = 54,456.88

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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.