Home / 134,629.78-185,780.76-74,197.06

Finding the Fourth Proportional to 134,629.78, 185,780.76 and 74,197.06

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Solution

The fourth proportional to 134,629.78, 185,780.76 and 74,197.06 is: 102,387.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,629.78 : 185,780.76 = 74,197.06 : x
  2. Step 2: Convert to fraction form
    134,629.78/185,780.76 = 74,197.06/x
  3. Step 3: Cross multiply
    134,629.78x = 185,780.76 × 74,197.06
  4. Step 4: Simplify right side
    134,629.78x = 13,784,386,196.57
  5. Step 5: Solve for x
    x = 13,784,386,196.57/134,629.78
  6. Step 6: Final answer
    x = 102,387.35

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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.