Home / 147,383.77-221,122.38-52,611.92

Finding the Fourth Proportional to 147,383.77, 221,122.38 and 52,611.92

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Solution

The fourth proportional to 147,383.77, 221,122.38 and 52,611.92 is: 78,934.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,383.77 : 221,122.38 = 52,611.92 : x
  2. Step 2: Convert to fraction form
    147,383.77/221,122.38 = 52,611.92/x
  3. Step 3: Cross multiply
    147,383.77x = 221,122.38 × 52,611.92
  4. Step 4: Simplify right side
    147,383.77x = 11,633,672,206.78
  5. Step 5: Solve for x
    x = 11,633,672,206.78/147,383.77
  6. Step 6: Final answer
    x = 78,934.56

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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.