Home / 103,631.85-155,529.79-40,482.23

Finding the Fourth Proportional to 103,631.85, 155,529.79 and 40,482.23

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Solution

The fourth proportional to 103,631.85, 155,529.79 and 40,482.23 is: 60,755.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,631.85 : 155,529.79 = 40,482.23 : x
  2. Step 2: Convert to fraction form
    103,631.85/155,529.79 = 40,482.23/x
  3. Step 3: Cross multiply
    103,631.85x = 155,529.79 × 40,482.23
  4. Step 4: Simplify right side
    103,631.85x = 6,296,192,730.63
  5. Step 5: Solve for x
    x = 6,296,192,730.63/103,631.85
  6. Step 6: Final answer
    x = 60,755.38

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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.