Home / 134,332.47-185,424.33-83,375.03

Finding the Fourth Proportional to 134,332.47, 185,424.33 and 83,375.03

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Solution

The fourth proportional to 134,332.47, 185,424.33 and 83,375.03 is: 115,085.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,332.47 : 185,424.33 = 83,375.03 : x
  2. Step 2: Convert to fraction form
    134,332.47/185,424.33 = 83,375.03/x
  3. Step 3: Cross multiply
    134,332.47x = 185,424.33 × 83,375.03
  4. Step 4: Simplify right side
    134,332.47x = 15,459,757,732.48
  5. Step 5: Solve for x
    x = 15,459,757,732.48/134,332.47
  6. Step 6: Final answer
    x = 115,085.78

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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.