Home / 180,676.45-249,330.27-100,102.36

Finding the Fourth Proportional to 180,676.45, 249,330.27 and 100,102.36

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Solution

The fourth proportional to 180,676.45, 249,330.27 and 100,102.36 is: 138,139.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,676.45 : 249,330.27 = 100,102.36 : x
  2. Step 2: Convert to fraction form
    180,676.45/249,330.27 = 100,102.36/x
  3. Step 3: Cross multiply
    180,676.45x = 249,330.27 × 100,102.36
  4. Step 4: Simplify right side
    180,676.45x = 24,958,548,446.44
  5. Step 5: Solve for x
    x = 24,958,548,446.44/180,676.45
  6. Step 6: Final answer
    x = 138,139.47

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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.