Home / 126,502.74-189,781.43-47,616.73

Finding the Fourth Proportional to 126,502.74, 189,781.43 and 47,616.73

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Solution

The fourth proportional to 126,502.74, 189,781.43 and 47,616.73 is: 71,435.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,502.74 : 189,781.43 = 47,616.73 : x
  2. Step 2: Convert to fraction form
    126,502.74/189,781.43 = 47,616.73/x
  3. Step 3: Cross multiply
    126,502.74x = 189,781.43 × 47,616.73
  4. Step 4: Simplify right side
    126,502.74x = 9,036,771,111.32
  5. Step 5: Solve for x
    x = 9,036,771,111.32/126,502.74
  6. Step 6: Final answer
    x = 71,435.38

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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.