Home / 126,335.77-189,448.17-47,394.69

Finding the Fourth Proportional to 126,335.77, 189,448.17 and 47,394.69

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Solution

The fourth proportional to 126,335.77, 189,448.17 and 47,394.69 is: 71,071.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,335.77 : 189,448.17 = 47,394.69 : x
  2. Step 2: Convert to fraction form
    126,335.77/189,448.17 = 47,394.69/x
  3. Step 3: Cross multiply
    126,335.77x = 189,448.17 × 47,394.69
  4. Step 4: Simplify right side
    126,335.77x = 8,978,836,400.06
  5. Step 5: Solve for x
    x = 8,978,836,400.06/126,335.77
  6. Step 6: Final answer
    x = 71,071.21

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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.