Home / 126,382.72-189,573.54-51,486.16

Finding the Fourth Proportional to 126,382.72, 189,573.54 and 51,486.16

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Solution

The fourth proportional to 126,382.72, 189,573.54 and 51,486.16 is: 77,229.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,382.72 : 189,573.54 = 51,486.16 : x
  2. Step 2: Convert to fraction form
    126,382.72/189,573.54 = 51,486.16/x
  3. Step 3: Cross multiply
    126,382.72x = 189,573.54 × 51,486.16
  4. Step 4: Simplify right side
    126,382.72x = 9,760,413,612.21
  5. Step 5: Solve for x
    x = 9,760,413,612.21/126,382.72
  6. Step 6: Final answer
    x = 77,229.02

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1.5x scale

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.