Home / 180,676.27-249,341.24-100,103.77

Finding the Fourth Proportional to 180,676.27, 249,341.24 and 100,103.77

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Solution

The fourth proportional to 180,676.27, 249,341.24 and 100,103.77 is: 138,147.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,676.27 : 249,341.24 = 100,103.77 : x
  2. Step 2: Convert to fraction form
    180,676.27/249,341.24 = 100,103.77/x
  3. Step 3: Cross multiply
    180,676.27x = 249,341.24 × 100,103.77
  4. Step 4: Simplify right side
    180,676.27x = 24,959,998,840.60
  5. Step 5: Solve for x
    x = 24,959,998,840.60/180,676.27
  6. Step 6: Final answer
    x = 138,147.63

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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.