Home / 117,629.18-176,344.56-51,019.13

Finding the Fourth Proportional to 117,629.18, 176,344.56 and 51,019.13

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Solution

The fourth proportional to 117,629.18, 176,344.56 and 51,019.13 is: 76,485.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,629.18 : 176,344.56 = 51,019.13 : x
  2. Step 2: Convert to fraction form
    117,629.18/176,344.56 = 51,019.13/x
  3. Step 3: Cross multiply
    117,629.18x = 176,344.56 × 51,019.13
  4. Step 4: Simplify right side
    117,629.18x = 8,996,945,149.71
  5. Step 5: Solve for x
    x = 8,996,945,149.71/117,629.18
  6. Step 6: Final answer
    x = 76,485.66

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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.