Home / 102,933.60-154,400.40-101,949.45

Finding the Fourth Proportional to 102,933.60, 154,400.40 and 101,949.45

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Solution

The fourth proportional to 102,933.60, 154,400.40 and 101,949.45 is: 152,924.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,933.60 : 154,400.40 = 101,949.45 : x
  2. Step 2: Convert to fraction form
    102,933.60/154,400.40 = 101,949.45/x
  3. Step 3: Cross multiply
    102,933.60x = 154,400.40 × 101,949.45
  4. Step 4: Simplify right side
    102,933.60x = 15,741,035,859.78
  5. Step 5: Solve for x
    x = 15,741,035,859.78/102,933.60
  6. Step 6: Final answer
    x = 152,924.18

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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.