Home / 126,527.18-189,726.21-42,256.98

Finding the Fourth Proportional to 126,527.18, 189,726.21 and 42,256.98

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Solution

The fourth proportional to 126,527.18, 189,726.21 and 42,256.98 is: 63,363.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,527.18 : 189,726.21 = 42,256.98 : x
  2. Step 2: Convert to fraction form
    126,527.18/189,726.21 = 42,256.98/x
  3. Step 3: Cross multiply
    126,527.18x = 189,726.21 × 42,256.98
  4. Step 4: Simplify right side
    126,527.18x = 8,017,256,661.45
  5. Step 5: Solve for x
    x = 8,017,256,661.45/126,527.18
  6. Step 6: Final answer
    x = 63,363.91

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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.