Home / 452,719.72-679,004.25-137,101.60

Finding the Fourth Proportional to 452,719.72, 679,004.25 and 137,101.60

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Solution

The fourth proportional to 452,719.72, 679,004.25 and 137,101.60 is: 205,629.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,719.72 : 679,004.25 = 137,101.60 : x
  2. Step 2: Convert to fraction form
    452,719.72/679,004.25 = 137,101.60/x
  3. Step 3: Cross multiply
    452,719.72x = 679,004.25 × 137,101.60
  4. Step 4: Simplify right side
    452,719.72x = 93,092,569,081.80
  5. Step 5: Solve for x
    x = 93,092,569,081.80/452,719.72
  6. Step 6: Final answer
    x = 205,629.59

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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.