Home / 115,420.56-173,153.28-44,338

Finding the Fourth Proportional to 115,420.56, 173,153.28 and 44,338

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Solution

The fourth proportional to 115,420.56, 173,153.28 and 44,338 is: 66,515.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,420.56 : 173,153.28 = 44,338 : x
  2. Step 2: Convert to fraction form
    115,420.56/173,153.28 = 44,338/x
  3. Step 3: Cross multiply
    115,420.56x = 173,153.28 × 44,338
  4. Step 4: Simplify right side
    115,420.56x = 7,677,270,128.64
  5. Step 5: Solve for x
    x = 7,677,270,128.64/115,420.56
  6. Step 6: Final answer
    x = 66,515.62

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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.