Home / 180,959.40-249,725.34-99,287.10

Finding the Fourth Proportional to 180,959.40, 249,725.34 and 99,287.10

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Solution

The fourth proportional to 180,959.40, 249,725.34 and 99,287.10 is: 137,016.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,959.40 : 249,725.34 = 99,287.10 : x
  2. Step 2: Convert to fraction form
    180,959.40/249,725.34 = 99,287.10/x
  3. Step 3: Cross multiply
    180,959.40x = 249,725.34 × 99,287.10
  4. Step 4: Simplify right side
    180,959.40x = 24,794,504,805.11
  5. Step 5: Solve for x
    x = 24,794,504,805.11/180,959.40
  6. Step 6: Final answer
    x = 137,016.95

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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.