Home / 126,319.60-189,314.86-51,352.18

Finding the Fourth Proportional to 126,319.60, 189,314.86 and 51,352.18

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Solution

The fourth proportional to 126,319.60, 189,314.86 and 51,352.18 is: 76,961.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,319.60 : 189,314.86 = 51,352.18 : x
  2. Step 2: Convert to fraction form
    126,319.60/189,314.86 = 51,352.18/x
  3. Step 3: Cross multiply
    126,319.60x = 189,314.86 × 51,352.18
  4. Step 4: Simplify right side
    126,319.60x = 9,721,730,767.39
  5. Step 5: Solve for x
    x = 9,721,730,767.39/126,319.60
  6. Step 6: Final answer
    x = 76,961.38

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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.