Home / 202,994.22-280,158.20-122,465.23

Finding the Fourth Proportional to 202,994.22, 280,158.20 and 122,465.23

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Solution

The fourth proportional to 202,994.22, 280,158.20 and 122,465.23 is: 169,017.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,994.22 : 280,158.20 = 122,465.23 : x
  2. Step 2: Convert to fraction form
    202,994.22/280,158.20 = 122,465.23/x
  3. Step 3: Cross multiply
    202,994.22x = 280,158.20 × 122,465.23
  4. Step 4: Simplify right side
    202,994.22x = 34,309,638,399.39
  5. Step 5: Solve for x
    x = 34,309,638,399.39/202,994.22
  6. Step 6: Final answer
    x = 169,017.81

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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.