Home / 126,192.15-189,284.13-51,292.19

Finding the Fourth Proportional to 126,192.15, 189,284.13 and 51,292.19

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Solution

The fourth proportional to 126,192.15, 189,284.13 and 51,292.19 is: 76,936.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,192.15 : 189,284.13 = 51,292.19 : x
  2. Step 2: Convert to fraction form
    126,192.15/189,284.13 = 51,292.19/x
  3. Step 3: Cross multiply
    126,192.15x = 189,284.13 × 51,292.19
  4. Step 4: Simplify right side
    126,192.15x = 9,708,798,033.16
  5. Step 5: Solve for x
    x = 9,708,798,033.16/126,192.15
  6. Step 6: Final answer
    x = 76,936.62

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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.