Home / 147,773.75-203,929.07-84,115.64

Finding the Fourth Proportional to 147,773.75, 203,929.07 and 84,115.64

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Solution

The fourth proportional to 147,773.75, 203,929.07 and 84,115.64 is: 116,080.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,773.75 : 203,929.07 = 84,115.64 : x
  2. Step 2: Convert to fraction form
    147,773.75/203,929.07 = 84,115.64/x
  3. Step 3: Cross multiply
    147,773.75x = 203,929.07 × 84,115.64
  4. Step 4: Simplify right side
    147,773.75x = 17,153,624,237.65
  5. Step 5: Solve for x
    x = 17,153,624,237.65/147,773.75
  6. Step 6: Final answer
    x = 116,080.32

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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.