Home / 125,020.02-172,524.42-68,427.75

Finding the Fourth Proportional to 125,020.02, 172,524.42 and 68,427.75

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Solution

The fourth proportional to 125,020.02, 172,524.42 and 68,427.75 is: 94,428.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,020.02 : 172,524.42 = 68,427.75 : x
  2. Step 2: Convert to fraction form
    125,020.02/172,524.42 = 68,427.75/x
  3. Step 3: Cross multiply
    125,020.02x = 172,524.42 × 68,427.75
  4. Step 4: Simplify right side
    125,020.02x = 11,805,457,880.66
  5. Step 5: Solve for x
    x = 11,805,457,880.66/125,020.02
  6. Step 6: Final answer
    x = 94,428.54

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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.