Home / 126,017.55-189,020.01-47,125.98

Finding the Fourth Proportional to 126,017.55, 189,020.01 and 47,125.98

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Solution

The fourth proportional to 126,017.55, 189,020.01 and 47,125.98 is: 70,686.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,017.55 : 189,020.01 = 47,125.98 : x
  2. Step 2: Convert to fraction form
    126,017.55/189,020.01 = 47,125.98/x
  3. Step 3: Cross multiply
    126,017.55x = 189,020.01 × 47,125.98
  4. Step 4: Simplify right side
    126,017.55x = 8,907,753,210.86
  5. Step 5: Solve for x
    x = 8,907,753,210.86/126,017.55
  6. Step 6: Final answer
    x = 70,686.61

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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.