Home / 106,521.12-146,999.13-58,774.56

Finding the Fourth Proportional to 106,521.12, 146,999.13 and 58,774.56

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Solution

The fourth proportional to 106,521.12, 146,999.13 and 58,774.56 is: 81,108.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,521.12 : 146,999.13 = 58,774.56 : x
  2. Step 2: Convert to fraction form
    106,521.12/146,999.13 = 58,774.56/x
  3. Step 3: Cross multiply
    106,521.12x = 146,999.13 × 58,774.56
  4. Step 4: Simplify right side
    106,521.12x = 8,639,809,186.13
  5. Step 5: Solve for x
    x = 8,639,809,186.13/106,521.12
  6. Step 6: Final answer
    x = 81,108.88

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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.