Home / 199,890.39-301,184.21-165,130.41

Finding the Fourth Proportional to 199,890.39, 301,184.21 and 165,130.41

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Solution

The fourth proportional to 199,890.39, 301,184.21 and 165,130.41 is: 248,809.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,890.39 : 301,184.21 = 165,130.41 : x
  2. Step 2: Convert to fraction form
    199,890.39/301,184.21 = 165,130.41/x
  3. Step 3: Cross multiply
    199,890.39x = 301,184.21 × 165,130.41
  4. Step 4: Simplify right side
    199,890.39x = 49,734,672,082.83
  5. Step 5: Solve for x
    x = 49,734,672,082.83/199,890.39
  6. Step 6: Final answer
    x = 248,809.72

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.