Home / 180,705.20-249,370.25-100,132.47

Finding the Fourth Proportional to 180,705.20, 249,370.25 and 100,132.47

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Solution

The fourth proportional to 180,705.20, 249,370.25 and 100,132.47 is: 138,181.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,705.20 : 249,370.25 = 100,132.47 : x
  2. Step 2: Convert to fraction form
    180,705.20/249,370.25 = 100,132.47/x
  3. Step 3: Cross multiply
    180,705.20x = 249,370.25 × 100,132.47
  4. Step 4: Simplify right side
    180,705.20x = 24,970,058,576.36
  5. Step 5: Solve for x
    x = 24,970,058,576.36/180,705.20
  6. Step 6: Final answer
    x = 138,181.19

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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.