Home / 147,757.06-221,613.55-41,129.87

Finding the Fourth Proportional to 147,757.06, 221,613.55 and 41,129.87

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Solution

The fourth proportional to 147,757.06, 221,613.55 and 41,129.87 is: 61,688.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,757.06 : 221,613.55 = 41,129.87 : x
  2. Step 2: Convert to fraction form
    147,757.06/221,613.55 = 41,129.87/x
  3. Step 3: Cross multiply
    147,757.06x = 221,613.55 × 41,129.87
  4. Step 4: Simplify right side
    147,757.06x = 9,114,936,952.95
  5. Step 5: Solve for x
    x = 9,114,936,952.95/147,757.06
  6. Step 6: Final answer
    x = 61,688.67

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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.