Home / 103,176.23-154,778.11-40,832.15

Finding the Fourth Proportional to 103,176.23, 154,778.11 and 40,832.15

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Solution

The fourth proportional to 103,176.23, 154,778.11 and 40,832.15 is: 61,253.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,176.23 : 154,778.11 = 40,832.15 : x
  2. Step 2: Convert to fraction form
    103,176.23/154,778.11 = 40,832.15/x
  3. Step 3: Cross multiply
    103,176.23x = 154,778.11 × 40,832.15
  4. Step 4: Simplify right side
    103,176.23x = 6,319,922,128.27
  5. Step 5: Solve for x
    x = 6,319,922,128.27/103,176.23
  6. Step 6: Final answer
    x = 61,253.67

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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.