Home / 178,014.79-245,658.46-101,531.91

Finding the Fourth Proportional to 178,014.79, 245,658.46 and 101,531.91

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Solution

The fourth proportional to 178,014.79, 245,658.46 and 101,531.91 is: 140,112.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,014.79 : 245,658.46 = 101,531.91 : x
  2. Step 2: Convert to fraction form
    178,014.79/245,658.46 = 101,531.91/x
  3. Step 3: Cross multiply
    178,014.79x = 245,658.46 × 101,531.91
  4. Step 4: Simplify right side
    178,014.79x = 24,942,172,651.46
  5. Step 5: Solve for x
    x = 24,942,172,651.46/178,014.79
  6. Step 6: Final answer
    x = 140,112.92

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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.