Home / 126,392.92-189,706.02-64,107.16

Finding the Fourth Proportional to 126,392.92, 189,706.02 and 64,107.16

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Solution

The fourth proportional to 126,392.92, 189,706.02 and 64,107.16 is: 96,219.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,392.92 : 189,706.02 = 64,107.16 : x
  2. Step 2: Convert to fraction form
    126,392.92/189,706.02 = 64,107.16/x
  3. Step 3: Cross multiply
    126,392.92x = 189,706.02 × 64,107.16
  4. Step 4: Simplify right side
    126,392.92x = 12,161,514,177.10
  5. Step 5: Solve for x
    x = 12,161,514,177.10/126,392.92
  6. Step 6: Final answer
    x = 96,219.90

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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.