Home / 123,775.44-170,808.98-67,186.76

Finding the Fourth Proportional to 123,775.44, 170,808.98 and 67,186.76

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Solution

The fourth proportional to 123,775.44, 170,808.98 and 67,186.76 is: 92,717.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,775.44 : 170,808.98 = 67,186.76 : x
  2. Step 2: Convert to fraction form
    123,775.44/170,808.98 = 67,186.76/x
  3. Step 3: Cross multiply
    123,775.44x = 170,808.98 × 67,186.76
  4. Step 4: Simplify right side
    123,775.44x = 11,476,101,945.10
  5. Step 5: Solve for x
    x = 11,476,101,945.10/123,775.44
  6. Step 6: Final answer
    x = 92,717.12

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1.5x scale

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.