Home / 180,964.86-249,708.79-100,371.48

Finding the Fourth Proportional to 180,964.86, 249,708.79 and 100,371.48

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Solution

The fourth proportional to 180,964.86, 249,708.79 and 100,371.48 is: 138,500.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,964.86 : 249,708.79 = 100,371.48 : x
  2. Step 2: Convert to fraction form
    180,964.86/249,708.79 = 100,371.48/x
  3. Step 3: Cross multiply
    180,964.86x = 249,708.79 × 100,371.48
  4. Step 4: Simplify right side
    180,964.86x = 25,063,640,821.31
  5. Step 5: Solve for x
    x = 25,063,640,821.31/180,964.86
  6. Step 6: Final answer
    x = 138,500.04

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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.