Home / 148,153.34-222,220.88-91,238.09

Finding the Fourth Proportional to 148,153.34, 222,220.88 and 91,238.09

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Solution

The fourth proportional to 148,153.34, 222,220.88 and 91,238.09 is: 136,851.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,153.34 : 222,220.88 = 91,238.09 : x
  2. Step 2: Convert to fraction form
    148,153.34/222,220.88 = 91,238.09/x
  3. Step 3: Cross multiply
    148,153.34x = 222,220.88 × 91,238.09
  4. Step 4: Simplify right side
    148,153.34x = 20,275,008,770.71
  5. Step 5: Solve for x
    x = 20,275,008,770.71/148,153.34
  6. Step 6: Final answer
    x = 136,851.51

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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.