Home / 123,384.68-170,271.06-66,796.28

Finding the Fourth Proportional to 123,384.68, 170,271.06 and 66,796.28

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Solution

The fourth proportional to 123,384.68, 170,271.06 and 66,796.28 is: 92,178.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,384.68 : 170,271.06 = 66,796.28 : x
  2. Step 2: Convert to fraction form
    123,384.68/170,271.06 = 66,796.28/x
  3. Step 3: Cross multiply
    123,384.68x = 170,271.06 × 66,796.28
  4. Step 4: Simplify right side
    123,384.68x = 11,373,473,399.66
  5. Step 5: Solve for x
    x = 11,373,473,399.66/123,384.68
  6. Step 6: Final answer
    x = 92,178.98

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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.