Home / 178,538.11-246,075.78-170,129.78

Finding the Fourth Proportional to 178,538.11, 246,075.78 and 170,129.78

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Solution

The fourth proportional to 178,538.11, 246,075.78 and 170,129.78 is: 234,486.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,538.11 : 246,075.78 = 170,129.78 : x
  2. Step 2: Convert to fraction form
    178,538.11/246,075.78 = 170,129.78/x
  3. Step 3: Cross multiply
    178,538.11x = 246,075.78 × 170,129.78
  4. Step 4: Simplify right side
    178,538.11x = 41,864,818,314.73
  5. Step 5: Solve for x
    x = 41,864,818,314.73/178,538.11
  6. Step 6: Final answer
    x = 234,486.73

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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.