Home / 103,838.09-155,754.89-28,956.24

Finding the Fourth Proportional to 103,838.09, 155,754.89 and 28,956.24

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Solution

The fourth proportional to 103,838.09, 155,754.89 and 28,956.24 is: 43,433.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,838.09 : 155,754.89 = 28,956.24 : x
  2. Step 2: Convert to fraction form
    103,838.09/155,754.89 = 28,956.24/x
  3. Step 3: Cross multiply
    103,838.09x = 155,754.89 × 28,956.24
  4. Step 4: Simplify right side
    103,838.09x = 4,510,075,052.46
  5. Step 5: Solve for x
    x = 4,510,075,052.46/103,838.09
  6. Step 6: Final answer
    x = 43,433.73

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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.