Home / 120,570.02-166,388.62-66,857.30

Finding the Fourth Proportional to 120,570.02, 166,388.62 and 66,857.30

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Solution

The fourth proportional to 120,570.02, 166,388.62 and 66,857.30 is: 92,264.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,570.02 : 166,388.62 = 66,857.30 : x
  2. Step 2: Convert to fraction form
    120,570.02/166,388.62 = 66,857.30/x
  3. Step 3: Cross multiply
    120,570.02x = 166,388.62 × 66,857.30
  4. Step 4: Simplify right side
    120,570.02x = 11,124,293,883.93
  5. Step 5: Solve for x
    x = 11,124,293,883.93/120,570.02
  6. Step 6: Final answer
    x = 92,264.18

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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.