Home / 106,280.31-146,663.84-57,881.15

Finding the Fourth Proportional to 106,280.31, 146,663.84 and 57,881.15

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Solution

The fourth proportional to 106,280.31, 146,663.84 and 57,881.15 is: 79,874.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,280.31 : 146,663.84 = 57,881.15 : x
  2. Step 2: Convert to fraction form
    106,280.31/146,663.84 = 57,881.15/x
  3. Step 3: Cross multiply
    106,280.31x = 146,663.84 × 57,881.15
  4. Step 4: Simplify right side
    106,280.31x = 8,489,071,683.99
  5. Step 5: Solve for x
    x = 8,489,071,683.99/106,280.31
  6. Step 6: Final answer
    x = 79,874.36

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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.