Home / 230,553.19-345,860.03-90,293.59

Finding the Fourth Proportional to 230,553.19, 345,860.03 and 90,293.59

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Solution

The fourth proportional to 230,553.19, 345,860.03 and 90,293.59 is: 135,452.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,553.19 : 345,860.03 = 90,293.59 : x
  2. Step 2: Convert to fraction form
    230,553.19/345,860.03 = 90,293.59/x
  3. Step 3: Cross multiply
    230,553.19x = 345,860.03 × 90,293.59
  4. Step 4: Simplify right side
    230,553.19x = 31,228,943,746.21
  5. Step 5: Solve for x
    x = 31,228,943,746.21/230,553.19
  6. Step 6: Final answer
    x = 135,452.23

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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.