Home / 105,821.28-146,035.17-58,079.07

Finding the Fourth Proportional to 105,821.28, 146,035.17 and 58,079.07

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Solution

The fourth proportional to 105,821.28, 146,035.17 and 58,079.07 is: 80,150.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,821.28 : 146,035.17 = 58,079.07 : x
  2. Step 2: Convert to fraction form
    105,821.28/146,035.17 = 58,079.07/x
  3. Step 3: Cross multiply
    105,821.28x = 146,035.17 × 58,079.07
  4. Step 4: Simplify right side
    105,821.28x = 8,481,586,860.89
  5. Step 5: Solve for x
    x = 8,481,586,860.89/105,821.28
  6. Step 6: Final answer
    x = 80,150.11

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1.5x scale

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.