Home / 177,110.72-244,419.04-100,628.72

Finding the Fourth Proportional to 177,110.72, 244,419.04 and 100,628.72

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Solution

The fourth proportional to 177,110.72, 244,419.04 and 100,628.72 is: 138,871.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,110.72 : 244,419.04 = 100,628.72 : x
  2. Step 2: Convert to fraction form
    177,110.72/244,419.04 = 100,628.72/x
  3. Step 3: Cross multiply
    177,110.72x = 244,419.04 × 100,628.72
  4. Step 4: Simplify right side
    177,110.72x = 24,595,575,138.83
  5. Step 5: Solve for x
    x = 24,595,575,138.83/177,110.72
  6. Step 6: Final answer
    x = 138,871.18

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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.