Home / 180,546.33-249,150.87-99,972.12

Finding the Fourth Proportional to 180,546.33, 249,150.87 and 99,972.12

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Solution

The fourth proportional to 180,546.33, 249,150.87 and 99,972.12 is: 137,959.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,546.33 : 249,150.87 = 99,972.12 : x
  2. Step 2: Convert to fraction form
    180,546.33/249,150.87 = 99,972.12/x
  3. Step 3: Cross multiply
    180,546.33x = 249,150.87 × 99,972.12
  4. Step 4: Simplify right side
    180,546.33x = 24,908,140,673.74
  5. Step 5: Solve for x
    x = 24,908,140,673.74/180,546.33
  6. Step 6: Final answer
    x = 137,959.83

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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.