Home / 126,051.40-189,077.10-88,726.60

Finding the Fourth Proportional to 126,051.40, 189,077.10 and 88,726.60

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Solution

The fourth proportional to 126,051.40, 189,077.10 and 88,726.60 is: 133,089.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,051.40 : 189,077.10 = 88,726.60 : x
  2. Step 2: Convert to fraction form
    126,051.40/189,077.10 = 88,726.60/x
  3. Step 3: Cross multiply
    126,051.40x = 189,077.10 × 88,726.60
  4. Step 4: Simplify right side
    126,051.40x = 16,776,168,220.86
  5. Step 5: Solve for x
    x = 16,776,168,220.86/126,051.40
  6. Step 6: Final answer
    x = 133,089.90

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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.