Home / 126,098.06-189,192.28-54,020.74

Finding the Fourth Proportional to 126,098.06, 189,192.28 and 54,020.74

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Solution

The fourth proportional to 126,098.06, 189,192.28 and 54,020.74 is: 81,050.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,098.06 : 189,192.28 = 54,020.74 : x
  2. Step 2: Convert to fraction form
    126,098.06/189,192.28 = 54,020.74/x
  3. Step 3: Cross multiply
    126,098.06x = 189,192.28 × 54,020.74
  4. Step 4: Simplify right side
    126,098.06x = 10,220,306,967.89
  5. Step 5: Solve for x
    x = 10,220,306,967.89/126,098.06
  6. Step 6: Final answer
    x = 81,050.47

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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.