Home / 230,962.80-346,372.20-90,764.40

Finding the Fourth Proportional to 230,962.80, 346,372.20 and 90,764.40

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Solution

The fourth proportional to 230,962.80, 346,372.20 and 90,764.40 is: 136,118.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,962.80 : 346,372.20 = 90,764.40 : x
  2. Step 2: Convert to fraction form
    230,962.80/346,372.20 = 90,764.40/x
  3. Step 3: Cross multiply
    230,962.80x = 346,372.20 × 90,764.40
  4. Step 4: Simplify right side
    230,962.80x = 31,438,264,909.68
  5. Step 5: Solve for x
    x = 31,438,264,909.68/230,962.80
  6. Step 6: Final answer
    x = 136,118.31

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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.