Home / 123,383.77-170,269.67-66,795.14

Finding the Fourth Proportional to 123,383.77, 170,269.67 and 66,795.14

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Solution

The fourth proportional to 123,383.77, 170,269.67 and 66,795.14 is: 92,177.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,383.77 : 170,269.67 = 66,795.14 : x
  2. Step 2: Convert to fraction form
    123,383.77/170,269.67 = 66,795.14/x
  3. Step 3: Cross multiply
    123,383.77x = 170,269.67 × 66,795.14
  4. Step 4: Simplify right side
    123,383.77x = 11,373,187,038.07
  5. Step 5: Solve for x
    x = 11,373,187,038.07/123,383.77
  6. Step 6: Final answer
    x = 92,177.34

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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.