Home / 178,034.18-245,687.36-100,510.49

Finding the Fourth Proportional to 178,034.18, 245,687.36 and 100,510.49

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Solution

The fourth proportional to 178,034.18, 245,687.36 and 100,510.49 is: 138,704.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,034.18 : 245,687.36 = 100,510.49 : x
  2. Step 2: Convert to fraction form
    178,034.18/245,687.36 = 100,510.49/x
  3. Step 3: Cross multiply
    178,034.18x = 245,687.36 × 100,510.49
  4. Step 4: Simplify right side
    178,034.18x = 24,694,157,052.07
  5. Step 5: Solve for x
    x = 24,694,157,052.07/178,034.18
  6. Step 6: Final answer
    x = 138,704.59

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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.