Home / 134,670.31-185,846.29-74,243.12

Finding the Fourth Proportional to 134,670.31, 185,846.29 and 74,243.12

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Solution

The fourth proportional to 134,670.31, 185,846.29 and 74,243.12 is: 102,456.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,670.31 : 185,846.29 = 74,243.12 : x
  2. Step 2: Convert to fraction form
    134,670.31/185,846.29 = 74,243.12/x
  3. Step 3: Cross multiply
    134,670.31x = 185,846.29 × 74,243.12
  4. Step 4: Simplify right side
    134,670.31x = 13,797,807,295.19
  5. Step 5: Solve for x
    x = 13,797,807,295.19/134,670.31
  6. Step 6: Final answer
    x = 102,456.20

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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.