Home / 210,082.20-314,975.68-76,945.16

Finding the Fourth Proportional to 210,082.20, 314,975.68 and 76,945.16

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Solution

The fourth proportional to 210,082.20, 314,975.68 and 76,945.16 is: 115,363.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,082.20 : 314,975.68 = 76,945.16 : x
  2. Step 2: Convert to fraction form
    210,082.20/314,975.68 = 76,945.16/x
  3. Step 3: Cross multiply
    210,082.20x = 314,975.68 × 76,945.16
  4. Step 4: Simplify right side
    210,082.20x = 24,235,854,093.71
  5. Step 5: Solve for x
    x = 24,235,854,093.71/210,082.20
  6. Step 6: Final answer
    x = 115,363.67

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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.