Home / 217,165.24-299,704.60-136,661.76

Finding the Fourth Proportional to 217,165.24, 299,704.60 and 136,661.76

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Solution

The fourth proportional to 217,165.24, 299,704.60 and 136,661.76 is: 188,603.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,165.24 : 299,704.60 = 136,661.76 : x
  2. Step 2: Convert to fraction form
    217,165.24/299,704.60 = 136,661.76/x
  3. Step 3: Cross multiply
    217,165.24x = 299,704.60 × 136,661.76
  4. Step 4: Simplify right side
    217,165.24x = 40,958,158,116.10
  5. Step 5: Solve for x
    x = 40,958,158,116.10/217,165.24
  6. Step 6: Final answer
    x = 188,603.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.