Home / 126,188.92-189,400.02-63,903.16

Finding the Fourth Proportional to 126,188.92, 189,400.02 and 63,903.16

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Solution

The fourth proportional to 126,188.92, 189,400.02 and 63,903.16 is: 95,913.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,188.92 : 189,400.02 = 63,903.16 : x
  2. Step 2: Convert to fraction form
    126,188.92/189,400.02 = 63,903.16/x
  3. Step 3: Cross multiply
    126,188.92x = 189,400.02 × 63,903.16
  4. Step 4: Simplify right side
    126,188.92x = 12,103,259,782.06
  5. Step 5: Solve for x
    x = 12,103,259,782.06/126,188.92
  6. Step 6: Final answer
    x = 95,913.81

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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.