Home / 230,372.04-345,587.28-90,112.44

Finding the Fourth Proportional to 230,372.04, 345,587.28 and 90,112.44

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Solution

The fourth proportional to 230,372.04, 345,587.28 and 90,112.44 is: 135,180.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,372.04 : 345,587.28 = 90,112.44 : x
  2. Step 2: Convert to fraction form
    230,372.04/345,587.28 = 90,112.44/x
  3. Step 3: Cross multiply
    230,372.04x = 345,587.28 × 90,112.44
  4. Step 4: Simplify right side
    230,372.04x = 31,141,713,033.76
  5. Step 5: Solve for x
    x = 31,141,713,033.76/230,372.04
  6. Step 6: Final answer
    x = 135,180.09

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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.