Home / 123,230.99-170,058.62-66,642.37

Finding the Fourth Proportional to 123,230.99, 170,058.62 and 66,642.37

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Solution

The fourth proportional to 123,230.99, 170,058.62 and 66,642.37 is: 91,966.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,230.99 : 170,058.62 = 66,642.37 : x
  2. Step 2: Convert to fraction form
    123,230.99/170,058.62 = 66,642.37/x
  3. Step 3: Cross multiply
    123,230.99x = 170,058.62 × 66,642.37
  4. Step 4: Simplify right side
    123,230.99x = 11,333,109,217.19
  5. Step 5: Solve for x
    x = 11,333,109,217.19/123,230.99
  6. Step 6: Final answer
    x = 91,966.39

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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.