Home / 96,181.62-144,272.19-90,329.16

Finding the Fourth Proportional to 96,181.62, 144,272.19 and 90,329.16

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Solution

The fourth proportional to 96,181.62, 144,272.19 and 90,329.16 is: 135,493.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,181.62 : 144,272.19 = 90,329.16 : x
  2. Step 2: Convert to fraction form
    96,181.62/144,272.19 = 90,329.16/x
  3. Step 3: Cross multiply
    96,181.62x = 144,272.19 × 90,329.16
  4. Step 4: Simplify right side
    96,181.62x = 13,031,985,561.47
  5. Step 5: Solve for x
    x = 13,031,985,561.47/96,181.62
  6. Step 6: Final answer
    x = 135,493.51

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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.