Home / 137,138.47-205,716.93-52,899.33

Finding the Fourth Proportional to 137,138.47, 205,716.93 and 52,899.33

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Solution

The fourth proportional to 137,138.47, 205,716.93 and 52,899.33 is: 79,352.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,138.47 : 205,716.93 = 52,899.33 : x
  2. Step 2: Convert to fraction form
    137,138.47/205,716.93 = 52,899.33/x
  3. Step 3: Cross multiply
    137,138.47x = 205,716.93 × 52,899.33
  4. Step 4: Simplify right side
    137,138.47x = 10,882,287,256.95
  5. Step 5: Solve for x
    x = 10,882,287,256.95/137,138.47
  6. Step 6: Final answer
    x = 79,352.55

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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.