Home / 221,150.42-305,178.54-124,351.52

Finding the Fourth Proportional to 221,150.42, 305,178.54 and 124,351.52

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Solution

The fourth proportional to 221,150.42, 305,178.54 and 124,351.52 is: 171,600.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,150.42 : 305,178.54 = 124,351.52 : x
  2. Step 2: Convert to fraction form
    221,150.42/305,178.54 = 124,351.52/x
  3. Step 3: Cross multiply
    221,150.42x = 305,178.54 × 124,351.52
  4. Step 4: Simplify right side
    221,150.42x = 37,949,415,320.38
  5. Step 5: Solve for x
    x = 37,949,415,320.38/221,150.42
  6. Step 6: Final answer
    x = 171,600.01

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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.