Home / 178,775.34-268,159.56-72,156.48

Finding the Fourth Proportional to 178,775.34, 268,159.56 and 72,156.48

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Solution

The fourth proportional to 178,775.34, 268,159.56 and 72,156.48 is: 108,233.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,775.34 : 268,159.56 = 72,156.48 : x
  2. Step 2: Convert to fraction form
    178,775.34/268,159.56 = 72,156.48/x
  3. Step 3: Cross multiply
    178,775.34x = 268,159.56 × 72,156.48
  4. Step 4: Simplify right side
    178,775.34x = 19,349,449,927.95
  5. Step 5: Solve for x
    x = 19,349,449,927.95/178,775.34
  6. Step 6: Final answer
    x = 108,233.33

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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.