Home / 131,645.56-181,680.62-75,058.36

Finding the Fourth Proportional to 131,645.56, 181,680.62 and 75,058.36

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Solution

The fourth proportional to 131,645.56, 181,680.62 and 75,058.36 is: 103,586.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,645.56 : 181,680.62 = 75,058.36 : x
  2. Step 2: Convert to fraction form
    131,645.56/181,680.62 = 75,058.36/x
  3. Step 3: Cross multiply
    131,645.56x = 181,680.62 × 75,058.36
  4. Step 4: Simplify right side
    131,645.56x = 13,636,649,380.98
  5. Step 5: Solve for x
    x = 13,636,649,380.98/131,645.56
  6. Step 6: Final answer
    x = 103,586.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.