Home / 126,144.90-189,248.49-37,398.41

Finding the Fourth Proportional to 126,144.90, 189,248.49 and 37,398.41

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Solution

The fourth proportional to 126,144.90, 189,248.49 and 37,398.41 is: 56,106.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,144.90 : 189,248.49 = 37,398.41 : x
  2. Step 2: Convert to fraction form
    126,144.90/189,248.49 = 37,398.41/x
  3. Step 3: Cross multiply
    126,144.90x = 189,248.49 × 37,398.41
  4. Step 4: Simplify right side
    126,144.90x = 7,077,591,674.66
  5. Step 5: Solve for x
    x = 7,077,591,674.66/126,144.90
  6. Step 6: Final answer
    x = 56,106.84

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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.