Home / 138,212.28-207,066.91-96,003.18

Finding the Fourth Proportional to 138,212.28, 207,066.91 and 96,003.18

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Solution

The fourth proportional to 138,212.28, 207,066.91 and 96,003.18 is: 143,830.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,212.28 : 207,066.91 = 96,003.18 : x
  2. Step 2: Convert to fraction form
    138,212.28/207,066.91 = 96,003.18/x
  3. Step 3: Cross multiply
    138,212.28x = 207,066.91 × 96,003.18
  4. Step 4: Simplify right side
    138,212.28x = 19,879,081,832.77
  5. Step 5: Solve for x
    x = 19,879,081,832.77/138,212.28
  6. Step 6: Final answer
    x = 143,830.07

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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.