Home / 147,382.79-221,120.91-52,610.94

Finding the Fourth Proportional to 147,382.79, 221,120.91 and 52,610.94

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Solution

The fourth proportional to 147,382.79, 221,120.91 and 52,610.94 is: 78,933.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,382.79 : 221,120.91 = 52,610.94 : x
  2. Step 2: Convert to fraction form
    147,382.79/221,120.91 = 52,610.94/x
  3. Step 3: Cross multiply
    147,382.79x = 221,120.91 × 52,610.94
  4. Step 4: Simplify right side
    147,382.79x = 11,633,378,216.11
  5. Step 5: Solve for x
    x = 11,633,378,216.11/147,382.79
  6. Step 6: Final answer
    x = 78,933.09

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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.