Home / 105,846.31-146,062.92-57,447.14

Finding the Fourth Proportional to 105,846.31, 146,062.92 and 57,447.14

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Solution

The fourth proportional to 105,846.31, 146,062.92 and 57,447.14 is: 79,274.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,846.31 : 146,062.92 = 57,447.14 : x
  2. Step 2: Convert to fraction form
    105,846.31/146,062.92 = 57,447.14/x
  3. Step 3: Cross multiply
    105,846.31x = 146,062.92 × 57,447.14
  4. Step 4: Simplify right side
    105,846.31x = 8,390,897,014.05
  5. Step 5: Solve for x
    x = 8,390,897,014.05/105,846.31
  6. Step 6: Final answer
    x = 79,274.35

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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.