Home / 180,844.74-249,591.57-100,290.18

Finding the Fourth Proportional to 180,844.74, 249,591.57 and 100,290.18

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Solution

The fourth proportional to 180,844.74, 249,591.57 and 100,290.18 is: 138,414.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,844.74 : 249,591.57 = 100,290.18 : x
  2. Step 2: Convert to fraction form
    180,844.74/249,591.57 = 100,290.18/x
  3. Step 3: Cross multiply
    180,844.74x = 249,591.57 × 100,290.18
  4. Step 4: Simplify right side
    180,844.74x = 25,031,583,481.78
  5. Step 5: Solve for x
    x = 25,031,583,481.78/180,844.74
  6. Step 6: Final answer
    x = 138,414.77

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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.