Home / 126,027.96-189,061.11-42,902.52

Finding the Fourth Proportional to 126,027.96, 189,061.11 and 42,902.52

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Solution

The fourth proportional to 126,027.96, 189,061.11 and 42,902.52 is: 64,360.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,027.96 : 189,061.11 = 42,902.52 : x
  2. Step 2: Convert to fraction form
    126,027.96/189,061.11 = 42,902.52/x
  3. Step 3: Cross multiply
    126,027.96x = 189,061.11 × 42,902.52
  4. Step 4: Simplify right side
    126,027.96x = 8,111,198,053.00
  5. Step 5: Solve for x
    x = 8,111,198,053.00/126,027.96
  6. Step 6: Final answer
    x = 64,360.31

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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.