Home / 169,913.50-254,722.62-99,645.19

Finding the Fourth Proportional to 169,913.50, 254,722.62 and 99,645.19

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Solution

The fourth proportional to 169,913.50, 254,722.62 and 99,645.19 is: 149,381.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,913.50 : 254,722.62 = 99,645.19 : x
  2. Step 2: Convert to fraction form
    169,913.50/254,722.62 = 99,645.19/x
  3. Step 3: Cross multiply
    169,913.50x = 254,722.62 × 99,645.19
  4. Step 4: Simplify right side
    169,913.50x = 25,381,883,604.06
  5. Step 5: Solve for x
    x = 25,381,883,604.06/169,913.50
  6. Step 6: Final answer
    x = 149,381.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.