Home / 180,650.70-249,313.28-100,103.49

Finding the Fourth Proportional to 180,650.70, 249,313.28 and 100,103.49

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Solution

The fourth proportional to 180,650.70, 249,313.28 and 100,103.49 is: 138,151.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,650.70 : 249,313.28 = 100,103.49 : x
  2. Step 2: Convert to fraction form
    180,650.70/249,313.28 = 100,103.49/x
  3. Step 3: Cross multiply
    180,650.70x = 249,313.28 × 100,103.49
  4. Step 4: Simplify right side
    180,650.70x = 24,957,128,930.83
  5. Step 5: Solve for x
    x = 24,957,128,930.83/180,650.70
  6. Step 6: Final answer
    x = 138,151.30

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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.