Home / 123,077.06-169,846.50-66,488.43

Finding the Fourth Proportional to 123,077.06, 169,846.50 and 66,488.43

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Solution

The fourth proportional to 123,077.06, 169,846.50 and 66,488.43 is: 91,754.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,077.06 : 169,846.50 = 66,488.43 : x
  2. Step 2: Convert to fraction form
    123,077.06/169,846.50 = 66,488.43/x
  3. Step 3: Cross multiply
    123,077.06x = 169,846.50 × 66,488.43
  4. Step 4: Simplify right side
    123,077.06x = 11,292,827,126.00
  5. Step 5: Solve for x
    x = 11,292,827,126.00/123,077.06
  6. Step 6: Final answer
    x = 91,754.12

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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.