Home / 131,744.75-181,657.28-104,888.39

Finding the Fourth Proportional to 131,744.75, 181,657.28 and 104,888.39

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Solution

The fourth proportional to 131,744.75, 181,657.28 and 104,888.39 is: 144,626.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,744.75 : 181,657.28 = 104,888.39 : x
  2. Step 2: Convert to fraction form
    131,744.75/181,657.28 = 104,888.39/x
  3. Step 3: Cross multiply
    131,744.75x = 181,657.28 × 104,888.39
  4. Step 4: Simplify right side
    131,744.75x = 19,053,738,984.91
  5. Step 5: Solve for x
    x = 19,053,738,984.91/131,744.75
  6. Step 6: Final answer
    x = 144,626.18

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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.