Home / 123,498.84-170,427.33-66,910.08

Finding the Fourth Proportional to 123,498.84, 170,427.33 and 66,910.08

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Solution

The fourth proportional to 123,498.84, 170,427.33 and 66,910.08 is: 92,335.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,498.84 : 170,427.33 = 66,910.08 : x
  2. Step 2: Convert to fraction form
    123,498.84/170,427.33 = 66,910.08/x
  3. Step 3: Cross multiply
    123,498.84x = 170,427.33 × 66,910.08
  4. Step 4: Simplify right side
    123,498.84x = 11,403,306,284.49
  5. Step 5: Solve for x
    x = 11,403,306,284.49/123,498.84
  6. Step 6: Final answer
    x = 92,335.33

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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.