Home / 126,005.92-189,125.52-63,720.16

Finding the Fourth Proportional to 126,005.92, 189,125.52 and 63,720.16

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Solution

The fourth proportional to 126,005.92, 189,125.52 and 63,720.16 is: 95,639.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,005.92 : 189,125.52 = 63,720.16 : x
  2. Step 2: Convert to fraction form
    126,005.92/189,125.52 = 63,720.16/x
  3. Step 3: Cross multiply
    126,005.92x = 189,125.52 × 63,720.16
  4. Step 4: Simplify right side
    126,005.92x = 12,051,108,394.48
  5. Step 5: Solve for x
    x = 12,051,108,394.48/126,005.92
  6. Step 6: Final answer
    x = 95,639.22

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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.