Home / 180,966.60-249,734.22-100,394.14

Finding the Fourth Proportional to 180,966.60, 249,734.22 and 100,394.14

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Solution

The fourth proportional to 180,966.60, 249,734.22 and 100,394.14 is: 138,544.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,966.60 : 249,734.22 = 100,394.14 : x
  2. Step 2: Convert to fraction form
    180,966.60/249,734.22 = 100,394.14/x
  3. Step 3: Cross multiply
    180,966.60x = 249,734.22 × 100,394.14
  4. Step 4: Simplify right side
    180,966.60x = 25,071,852,245.47
  5. Step 5: Solve for x
    x = 25,071,852,245.47/180,966.60
  6. Step 6: Final answer
    x = 138,544.09

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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.