Home / 147,765.12-221,619.84-39,696

Finding the Fourth Proportional to 147,765.12, 221,619.84 and 39,696

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Solution

The fourth proportional to 147,765.12, 221,619.84 and 39,696 is: 59,536.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,765.12 : 221,619.84 = 39,696 : x
  2. Step 2: Convert to fraction form
    147,765.12/221,619.84 = 39,696/x
  3. Step 3: Cross multiply
    147,765.12x = 221,619.84 × 39,696
  4. Step 4: Simplify right side
    147,765.12x = 8,797,421,168.64
  5. Step 5: Solve for x
    x = 8,797,421,168.64/147,765.12
  6. Step 6: Final answer
    x = 59,536.52

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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.