Home / 230,844.80-346,195.20-90,646.40

Finding the Fourth Proportional to 230,844.80, 346,195.20 and 90,646.40

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Solution

The fourth proportional to 230,844.80, 346,195.20 and 90,646.40 is: 135,941.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,844.80 : 346,195.20 = 90,646.40 : x
  2. Step 2: Convert to fraction form
    230,844.80/346,195.20 = 90,646.40/x
  3. Step 3: Cross multiply
    230,844.80x = 346,195.20 × 90,646.40
  4. Step 4: Simplify right side
    230,844.80x = 31,381,348,577.28
  5. Step 5: Solve for x
    x = 31,381,348,577.28/230,844.80
  6. Step 6: Final answer
    x = 135,941.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.