Home / 213,862.35-295,161.20-123,200.87

Finding the Fourth Proportional to 213,862.35, 295,161.20 and 123,200.87

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Solution

The fourth proportional to 213,862.35, 295,161.20 and 123,200.87 is: 170,035.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,862.35 : 295,161.20 = 123,200.87 : x
  2. Step 2: Convert to fraction form
    213,862.35/295,161.20 = 123,200.87/x
  3. Step 3: Cross multiply
    213,862.35x = 295,161.20 × 123,200.87
  4. Step 4: Simplify right side
    213,862.35x = 36,364,116,630.24
  5. Step 5: Solve for x
    x = 36,364,116,630.24/213,862.35
  6. Step 6: Final answer
    x = 170,035.15

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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.