Home / 147,633.92-221,417.76-42,429.44

Finding the Fourth Proportional to 147,633.92, 221,417.76 and 42,429.44

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Solution

The fourth proportional to 147,633.92, 221,417.76 and 42,429.44 is: 63,634.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,633.92 : 221,417.76 = 42,429.44 : x
  2. Step 2: Convert to fraction form
    147,633.92/221,417.76 = 42,429.44/x
  3. Step 3: Cross multiply
    147,633.92x = 221,417.76 × 42,429.44
  4. Step 4: Simplify right side
    147,633.92x = 9,394,631,562.85
  5. Step 5: Solve for x
    x = 9,394,631,562.85/147,633.92
  6. Step 6: Final answer
    x = 63,634.64

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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.