Home / 180,822.60-249,549.98-100,275.39

Finding the Fourth Proportional to 180,822.60, 249,549.98 and 100,275.39

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Solution

The fourth proportional to 180,822.60, 249,549.98 and 100,275.39 is: 138,388.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,822.60 : 249,549.98 = 100,275.39 : x
  2. Step 2: Convert to fraction form
    180,822.60/249,549.98 = 100,275.39/x
  3. Step 3: Cross multiply
    180,822.60x = 249,549.98 × 100,275.39
  4. Step 4: Simplify right side
    180,822.60x = 25,023,721,067.62
  5. Step 5: Solve for x
    x = 25,023,721,067.62/180,822.60
  6. Step 6: Final answer
    x = 138,388.24

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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.