Home / 97,114.48-145,728.32-40,951.12

Finding the Fourth Proportional to 97,114.48, 145,728.32 and 40,951.12

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Solution

The fourth proportional to 97,114.48, 145,728.32 and 40,951.12 is: 61,450.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,114.48 : 145,728.32 = 40,951.12 : x
  2. Step 2: Convert to fraction form
    97,114.48/145,728.32 = 40,951.12/x
  3. Step 3: Cross multiply
    97,114.48x = 145,728.32 × 40,951.12
  4. Step 4: Simplify right side
    97,114.48x = 5,967,737,919.72
  5. Step 5: Solve for x
    x = 5,967,737,919.72/97,114.48
  6. Step 6: Final answer
    x = 61,450.55

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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.