Home / 180,863.56-249,604.50-100,298.80

Finding the Fourth Proportional to 180,863.56, 249,604.50 and 100,298.80

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Solution

The fourth proportional to 180,863.56, 249,604.50 and 100,298.80 is: 138,419.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,863.56 : 249,604.50 = 100,298.80 : x
  2. Step 2: Convert to fraction form
    180,863.56/249,604.50 = 100,298.80/x
  3. Step 3: Cross multiply
    180,863.56x = 249,604.50 × 100,298.80
  4. Step 4: Simplify right side
    180,863.56x = 25,035,031,824.60
  5. Step 5: Solve for x
    x = 25,035,031,824.60/180,863.56
  6. Step 6: Final answer
    x = 138,419.44

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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.