Home / 147,441.98-203,463.42-83,785.70

Finding the Fourth Proportional to 147,441.98, 203,463.42 and 83,785.70

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Solution

The fourth proportional to 147,441.98, 203,463.42 and 83,785.70 is: 115,620.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,441.98 : 203,463.42 = 83,785.70 : x
  2. Step 2: Convert to fraction form
    147,441.98/203,463.42 = 83,785.70/x
  3. Step 3: Cross multiply
    147,441.98x = 203,463.42 × 83,785.70
  4. Step 4: Simplify right side
    147,441.98x = 17,047,325,069.09
  5. Step 5: Solve for x
    x = 17,047,325,069.09/147,441.98
  6. Step 6: Final answer
    x = 115,620.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.