Home / 123,384.92-170,271.23-66,796.29

Finding the Fourth Proportional to 123,384.92, 170,271.23 and 66,796.29

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Solution

The fourth proportional to 123,384.92, 170,271.23 and 66,796.29 is: 92,178.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,384.92 : 170,271.23 = 66,796.29 : x
  2. Step 2: Convert to fraction form
    123,384.92/170,271.23 = 66,796.29/x
  3. Step 3: Cross multiply
    123,384.92x = 170,271.23 × 66,796.29
  4. Step 4: Simplify right side
    123,384.92x = 11,373,486,123.76
  5. Step 5: Solve for x
    x = 11,373,486,123.76/123,384.92
  6. Step 6: Final answer
    x = 92,178.90

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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.