Home / 217,336.10-325,922.24-90,985.07

Finding the Fourth Proportional to 217,336.10, 325,922.24 and 90,985.07

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Solution

The fourth proportional to 217,336.10, 325,922.24 and 90,985.07 is: 136,443.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,336.10 : 325,922.24 = 90,985.07 : x
  2. Step 2: Convert to fraction form
    217,336.10/325,922.24 = 90,985.07/x
  3. Step 3: Cross multiply
    217,336.10x = 325,922.24 × 90,985.07
  4. Step 4: Simplify right side
    217,336.10x = 29,654,057,820.96
  5. Step 5: Solve for x
    x = 29,654,057,820.96/217,336.10
  6. Step 6: Final answer
    x = 136,443.32

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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.