Home / 151,212.12-226,264.52-143,101.20

Finding the Fourth Proportional to 151,212.12, 226,264.52 and 143,101.20

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Solution

The fourth proportional to 151,212.12, 226,264.52 and 143,101.20 is: 214,127.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,212.12 : 226,264.52 = 143,101.20 : x
  2. Step 2: Convert to fraction form
    151,212.12/226,264.52 = 143,101.20/x
  3. Step 3: Cross multiply
    151,212.12x = 226,264.52 × 143,101.20
  4. Step 4: Simplify right side
    151,212.12x = 32,378,724,329.42
  5. Step 5: Solve for x
    x = 32,378,724,329.42/151,212.12
  6. Step 6: Final answer
    x = 214,127.84

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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.