Home / 180,920.52-249,667.38-100,348.20

Finding the Fourth Proportional to 180,920.52, 249,667.38 and 100,348.20

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Solution

The fourth proportional to 180,920.52, 249,667.38 and 100,348.20 is: 138,478.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,920.52 : 249,667.38 = 100,348.20 : x
  2. Step 2: Convert to fraction form
    180,920.52/249,667.38 = 100,348.20/x
  3. Step 3: Cross multiply
    180,920.52x = 249,667.38 × 100,348.20
  4. Step 4: Simplify right side
    180,920.52x = 25,053,672,181.72
  5. Step 5: Solve for x
    x = 25,053,672,181.72/180,920.52
  6. Step 6: Final answer
    x = 138,478.89

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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.