Home / 123,301.80-170,156.48-66,713.18

Finding the Fourth Proportional to 123,301.80, 170,156.48 and 66,713.18

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Solution

The fourth proportional to 123,301.80, 170,156.48 and 66,713.18 is: 92,064.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,301.80 : 170,156.48 = 66,713.18 : x
  2. Step 2: Convert to fraction form
    123,301.80/170,156.48 = 66,713.18/x
  3. Step 3: Cross multiply
    123,301.80x = 170,156.48 × 66,713.18
  4. Step 4: Simplify right side
    123,301.80x = 11,351,679,878.41
  5. Step 5: Solve for x
    x = 11,351,679,878.41/123,301.80
  6. Step 6: Final answer
    x = 92,064.19

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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.