Home / 119,122.69-179,540.27-102,681.16

Finding the Fourth Proportional to 119,122.69, 179,540.27 and 102,681.16

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Solution

The fourth proportional to 119,122.69, 179,540.27 and 102,681.16 is: 154,759.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,122.69 : 179,540.27 = 102,681.16 : x
  2. Step 2: Convert to fraction form
    119,122.69/179,540.27 = 102,681.16/x
  3. Step 3: Cross multiply
    119,122.69x = 179,540.27 × 102,681.16
  4. Step 4: Simplify right side
    119,122.69x = 18,435,402,613.11
  5. Step 5: Solve for x
    x = 18,435,402,613.11/119,122.69
  6. Step 6: Final answer
    x = 154,759.79

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.