Home / 105,787.18-145,976.94-60,456.16

Finding the Fourth Proportional to 105,787.18, 145,976.94 and 60,456.16

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Solution

The fourth proportional to 105,787.18, 145,976.94 and 60,456.16 is: 83,424.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,787.18 : 145,976.94 = 60,456.16 : x
  2. Step 2: Convert to fraction form
    105,787.18/145,976.94 = 60,456.16/x
  3. Step 3: Cross multiply
    105,787.18x = 145,976.94 × 60,456.16
  4. Step 4: Simplify right side
    105,787.18x = 8,825,205,240.95
  5. Step 5: Solve for x
    x = 8,825,205,240.95/105,787.18
  6. Step 6: Final answer
    x = 83,424.15

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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.