Home / 180,833.46-249,540.18-100,256.28

Finding the Fourth Proportional to 180,833.46, 249,540.18 and 100,256.28

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Solution

The fourth proportional to 180,833.46, 249,540.18 and 100,256.28 is: 138,348.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,833.46 : 249,540.18 = 100,256.28 : x
  2. Step 2: Convert to fraction form
    180,833.46/249,540.18 = 100,256.28/x
  3. Step 3: Cross multiply
    180,833.46x = 249,540.18 × 100,256.28
  4. Step 4: Simplify right side
    180,833.46x = 25,017,970,157.33
  5. Step 5: Solve for x
    x = 25,017,970,157.33/180,833.46
  6. Step 6: Final answer
    x = 138,348.13

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1.5x scale

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.