Home / 177,965.89-245,707.55-158,812.73

Finding the Fourth Proportional to 177,965.89, 245,707.55 and 158,812.73

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Solution

The fourth proportional to 177,965.89, 245,707.55 and 158,812.73 is: 219,263.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,965.89 : 245,707.55 = 158,812.73 : x
  2. Step 2: Convert to fraction form
    177,965.89/245,707.55 = 158,812.73/x
  3. Step 3: Cross multiply
    177,965.89x = 245,707.55 × 158,812.73
  4. Step 4: Simplify right side
    177,965.89x = 39,021,486,797.11
  5. Step 5: Solve for x
    x = 39,021,486,797.11/177,965.89
  6. Step 6: Final answer
    x = 219,263.85

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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.