Home / 115,442.81-173,181.53-40,549.76

Finding the Fourth Proportional to 115,442.81, 173,181.53 and 40,549.76

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Solution

The fourth proportional to 115,442.81, 173,181.53 and 40,549.76 is: 60,830.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,442.81 : 173,181.53 = 40,549.76 : x
  2. Step 2: Convert to fraction form
    115,442.81/173,181.53 = 40,549.76/x
  3. Step 3: Cross multiply
    115,442.81x = 173,181.53 × 40,549.76
  4. Step 4: Simplify right side
    115,442.81x = 7,022,469,477.93
  5. Step 5: Solve for x
    x = 7,022,469,477.93/115,442.81
  6. Step 6: Final answer
    x = 60,830.72

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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.