Home / 126,880.04-189,200.39-125,741.15

Finding the Fourth Proportional to 126,880.04, 189,200.39 and 125,741.15

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Solution

The fourth proportional to 126,880.04, 189,200.39 and 125,741.15 is: 187,502.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,880.04 : 189,200.39 = 125,741.15 : x
  2. Step 2: Convert to fraction form
    126,880.04/189,200.39 = 125,741.15/x
  3. Step 3: Cross multiply
    126,880.04x = 189,200.39 × 125,741.15
  4. Step 4: Simplify right side
    126,880.04x = 23,790,273,044.34
  5. Step 5: Solve for x
    x = 23,790,273,044.34/126,880.04
  6. Step 6: Final answer
    x = 187,502.10

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.