Home / 134,670.24-185,846.22-74,243.04

Finding the Fourth Proportional to 134,670.24, 185,846.22 and 74,243.04

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Solution

The fourth proportional to 134,670.24, 185,846.22 and 74,243.04 is: 102,456.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,670.24 : 185,846.22 = 74,243.04 : x
  2. Step 2: Convert to fraction form
    134,670.24/185,846.22 = 74,243.04/x
  3. Step 3: Cross multiply
    134,670.24x = 185,846.22 × 74,243.04
  4. Step 4: Simplify right side
    134,670.24x = 13,797,788,345.31
  5. Step 5: Solve for x
    x = 13,797,788,345.31/134,670.24
  6. Step 6: Final answer
    x = 102,456.11

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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.