Home / 123,114.29-169,897.83-66,525.67

Finding the Fourth Proportional to 123,114.29, 169,897.83 and 66,525.67

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Solution

The fourth proportional to 123,114.29, 169,897.83 and 66,525.67 is: 91,805.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,114.29 : 169,897.83 = 66,525.67 : x
  2. Step 2: Convert to fraction form
    123,114.29/169,897.83 = 66,525.67/x
  3. Step 3: Cross multiply
    123,114.29x = 169,897.83 × 66,525.67
  4. Step 4: Simplify right side
    123,114.29x = 11,302,566,972.30
  5. Step 5: Solve for x
    x = 11,302,566,972.30/123,114.29
  6. Step 6: Final answer
    x = 91,805.48

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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.