Home / 105,983.35-146,263.56-60,660.36

Finding the Fourth Proportional to 105,983.35, 146,263.56 and 60,660.36

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Solution

The fourth proportional to 105,983.35, 146,263.56 and 60,660.36 is: 83,715.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,983.35 : 146,263.56 = 60,660.36 : x
  2. Step 2: Convert to fraction form
    105,983.35/146,263.56 = 60,660.36/x
  3. Step 3: Cross multiply
    105,983.35x = 146,263.56 × 60,660.36
  4. Step 4: Simplify right side
    105,983.35x = 8,872,400,478.73
  5. Step 5: Solve for x
    x = 8,872,400,478.73/105,983.35
  6. Step 6: Final answer
    x = 83,715.04

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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.