Home / 123,618.47-185,366.33-39,367.64

Finding the Fourth Proportional to 123,618.47, 185,366.33 and 39,367.64

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Solution

The fourth proportional to 123,618.47, 185,366.33 and 39,367.64 is: 59,031.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,618.47 : 185,366.33 = 39,367.64 : x
  2. Step 2: Convert to fraction form
    123,618.47/185,366.33 = 39,367.64/x
  3. Step 3: Cross multiply
    123,618.47x = 185,366.33 × 39,367.64
  4. Step 4: Simplify right side
    123,618.47x = 7,297,433,823.89
  5. Step 5: Solve for x
    x = 7,297,433,823.89/123,618.47
  6. Step 6: Final answer
    x = 59,031.91

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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.