Home / 126,641.44-189,972.18-42,402.04

Finding the Fourth Proportional to 126,641.44, 189,972.18 and 42,402.04

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Solution

The fourth proportional to 126,641.44, 189,972.18 and 42,402.04 is: 63,606.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,641.44 : 189,972.18 = 42,402.04 : x
  2. Step 2: Convert to fraction form
    126,641.44/189,972.18 = 42,402.04/x
  3. Step 3: Cross multiply
    126,641.44x = 189,972.18 × 42,402.04
  4. Step 4: Simplify right side
    126,641.44x = 8,055,207,975.25
  5. Step 5: Solve for x
    x = 8,055,207,975.25/126,641.44
  6. Step 6: Final answer
    x = 63,606.41

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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.