Home / 177,030.78-265,656.87-71,849.75

Finding the Fourth Proportional to 177,030.78, 265,656.87 and 71,849.75

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Solution

The fourth proportional to 177,030.78, 265,656.87 and 71,849.75 is: 107,819.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,030.78 : 265,656.87 = 71,849.75 : x
  2. Step 2: Convert to fraction form
    177,030.78/265,656.87 = 71,849.75/x
  3. Step 3: Cross multiply
    177,030.78x = 265,656.87 × 71,849.75
  4. Step 4: Simplify right side
    177,030.78x = 19,087,378,367.00
  5. Step 5: Solve for x
    x = 19,087,378,367.00/177,030.78
  6. Step 6: Final answer
    x = 107,819.55

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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.