Home / 261,780.93-361,248.08-159,976.76

Finding the Fourth Proportional to 261,780.93, 361,248.08 and 159,976.76

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Solution

The fourth proportional to 261,780.93, 361,248.08 and 159,976.76 is: 220,762.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,780.93 : 361,248.08 = 159,976.76 : x
  2. Step 2: Convert to fraction form
    261,780.93/361,248.08 = 159,976.76/x
  3. Step 3: Cross multiply
    261,780.93x = 361,248.08 × 159,976.76
  4. Step 4: Simplify right side
    261,780.93x = 57,791,294,788.50
  5. Step 5: Solve for x
    x = 57,791,294,788.50/261,780.93
  6. Step 6: Final answer
    x = 220,762.05

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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.