Home / 126,367.29-189,552.97-42,126.31

Finding the Fourth Proportional to 126,367.29, 189,552.97 and 42,126.31

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Solution

The fourth proportional to 126,367.29, 189,552.97 and 42,126.31 is: 63,190.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,367.29 : 189,552.97 = 42,126.31 : x
  2. Step 2: Convert to fraction form
    126,367.29/189,552.97 = 42,126.31/x
  3. Step 3: Cross multiply
    126,367.29x = 189,552.97 × 42,126.31
  4. Step 4: Simplify right side
    126,367.29x = 7,985,166,754.42
  5. Step 5: Solve for x
    x = 7,985,166,754.42/126,367.29
  6. Step 6: Final answer
    x = 63,190.14

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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.