Home / 137,302.19-189,379.31-126,008.13

Finding the Fourth Proportional to 137,302.19, 189,379.31 and 126,008.13

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Solution

The fourth proportional to 137,302.19, 189,379.31 and 126,008.13 is: 173,801.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,302.19 : 189,379.31 = 126,008.13 : x
  2. Step 2: Convert to fraction form
    137,302.19/189,379.31 = 126,008.13/x
  3. Step 3: Cross multiply
    137,302.19x = 189,379.31 × 126,008.13
  4. Step 4: Simplify right side
    137,302.19x = 23,863,332,083.75
  5. Step 5: Solve for x
    x = 23,863,332,083.75/137,302.19
  6. Step 6: Final answer
    x = 173,801.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.