Home / 217,741.23-300,475.18-122,251.95

Finding the Fourth Proportional to 217,741.23, 300,475.18 and 122,251.95

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Solution

The fourth proportional to 217,741.23, 300,475.18 and 122,251.95 is: 168,703.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,741.23 : 300,475.18 = 122,251.95 : x
  2. Step 2: Convert to fraction form
    217,741.23/300,475.18 = 122,251.95/x
  3. Step 3: Cross multiply
    217,741.23x = 300,475.18 × 122,251.95
  4. Step 4: Simplify right side
    217,741.23x = 36,733,676,681.60
  5. Step 5: Solve for x
    x = 36,733,676,681.60/217,741.23
  6. Step 6: Final answer
    x = 168,703.36

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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.