Home / 126,196.20-189,035.10-63,901.80

Finding the Fourth Proportional to 126,196.20, 189,035.10 and 63,901.80

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Solution

The fourth proportional to 126,196.20, 189,035.10 and 63,901.80 is: 95,721.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,196.20 : 189,035.10 = 63,901.80 : x
  2. Step 2: Convert to fraction form
    126,196.20/189,035.10 = 63,901.80/x
  3. Step 3: Cross multiply
    126,196.20x = 189,035.10 × 63,901.80
  4. Step 4: Simplify right side
    126,196.20x = 12,079,683,153.18
  5. Step 5: Solve for x
    x = 12,079,683,153.18/126,196.20
  6. Step 6: Final answer
    x = 95,721.45

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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.