Home / 180,737.10-249,408.21-100,163.92

Finding the Fourth Proportional to 180,737.10, 249,408.21 and 100,163.92

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Solution

The fourth proportional to 180,737.10, 249,408.21 and 100,163.92 is: 138,221.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,737.10 : 249,408.21 = 100,163.92 : x
  2. Step 2: Convert to fraction form
    180,737.10/249,408.21 = 100,163.92/x
  3. Step 3: Cross multiply
    180,737.10x = 249,408.21 × 100,163.92
  4. Step 4: Simplify right side
    180,737.10x = 24,981,703,512.06
  5. Step 5: Solve for x
    x = 24,981,703,512.06/180,737.10
  6. Step 6: Final answer
    x = 138,221.23

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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.