Home / 103,509.06-155,296.42-36,947.72

Finding the Fourth Proportional to 103,509.06, 155,296.42 and 36,947.72

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Solution

The fourth proportional to 103,509.06, 155,296.42 and 36,947.72 is: 55,433.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,509.06 : 155,296.42 = 36,947.72 : x
  2. Step 2: Convert to fraction form
    103,509.06/155,296.42 = 36,947.72/x
  3. Step 3: Cross multiply
    103,509.06x = 155,296.42 × 36,947.72
  4. Step 4: Simplify right side
    103,509.06x = 5,737,848,356.67
  5. Step 5: Solve for x
    x = 5,737,848,356.67/103,509.06
  6. Step 6: Final answer
    x = 55,433.29

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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.