Home / 136,401.71-188,233.07-75,968.82

Finding the Fourth Proportional to 136,401.71, 188,233.07 and 75,968.82

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Solution

The fourth proportional to 136,401.71, 188,233.07 and 75,968.82 is: 104,836.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,401.71 : 188,233.07 = 75,968.82 : x
  2. Step 2: Convert to fraction form
    136,401.71/188,233.07 = 75,968.82/x
  3. Step 3: Cross multiply
    136,401.71x = 188,233.07 × 75,968.82
  4. Step 4: Simplify right side
    136,401.71x = 14,299,843,833.03
  5. Step 5: Solve for x
    x = 14,299,843,833.03/136,401.71
  6. Step 6: Final answer
    x = 104,836.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.