Home / 102,670.07-154,017.38-39,475.49

Finding the Fourth Proportional to 102,670.07, 154,017.38 and 39,475.49

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Solution

The fourth proportional to 102,670.07, 154,017.38 and 39,475.49 is: 59,217.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,670.07 : 154,017.38 = 39,475.49 : x
  2. Step 2: Convert to fraction form
    102,670.07/154,017.38 = 39,475.49/x
  3. Step 3: Cross multiply
    102,670.07x = 154,017.38 × 39,475.49
  4. Step 4: Simplify right side
    102,670.07x = 6,079,910,872.62
  5. Step 5: Solve for x
    x = 6,079,910,872.62/102,670.07
  6. Step 6: Final answer
    x = 59,217.95

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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.