Home / 106,512.23-146,999.89-61,190.12

Finding the Fourth Proportional to 106,512.23, 146,999.89 and 61,190.12

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Solution

The fourth proportional to 106,512.23, 146,999.89 and 61,190.12 is: 84,449.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,512.23 : 146,999.89 = 61,190.12 : x
  2. Step 2: Convert to fraction form
    106,512.23/146,999.89 = 61,190.12/x
  3. Step 3: Cross multiply
    106,512.23x = 146,999.89 × 61,190.12
  4. Step 4: Simplify right side
    106,512.23x = 8,994,941,123.61
  5. Step 5: Solve for x
    x = 8,994,941,123.61/106,512.23
  6. Step 6: Final answer
    x = 84,449.85

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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.