Home / 147,379.32-221,112.04-47,537.30

Finding the Fourth Proportional to 147,379.32, 221,112.04 and 47,537.30

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Solution

The fourth proportional to 147,379.32, 221,112.04 and 47,537.30 is: 71,319.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,379.32 : 221,112.04 = 47,537.30 : x
  2. Step 2: Convert to fraction form
    147,379.32/221,112.04 = 47,537.30/x
  3. Step 3: Cross multiply
    147,379.32x = 221,112.04 × 47,537.30
  4. Step 4: Simplify right side
    147,379.32x = 10,511,070,148.84
  5. Step 5: Solve for x
    x = 10,511,070,148.84/147,379.32
  6. Step 6: Final answer
    x = 71,319.84

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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.