Home / 103,767.12-155,696.76-50,435.28

Finding the Fourth Proportional to 103,767.12, 155,696.76 and 50,435.28

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Solution

The fourth proportional to 103,767.12, 155,696.76 and 50,435.28 is: 75,675.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,767.12 : 155,696.76 = 50,435.28 : x
  2. Step 2: Convert to fraction form
    103,767.12/155,696.76 = 50,435.28/x
  3. Step 3: Cross multiply
    103,767.12x = 155,696.76 × 50,435.28
  4. Step 4: Simplify right side
    103,767.12x = 7,852,609,685.69
  5. Step 5: Solve for x
    x = 7,852,609,685.69/103,767.12
  6. Step 6: Final answer
    x = 75,675.32

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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.