Home / 170,190.64-255,285.84-76,587.04

Finding the Fourth Proportional to 170,190.64, 255,285.84 and 76,587.04

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Solution

The fourth proportional to 170,190.64, 255,285.84 and 76,587.04 is: 114,880.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,190.64 : 255,285.84 = 76,587.04 : x
  2. Step 2: Convert to fraction form
    170,190.64/255,285.84 = 76,587.04/x
  3. Step 3: Cross multiply
    170,190.64x = 255,285.84 × 76,587.04
  4. Step 4: Simplify right side
    170,190.64x = 19,551,586,839.51
  5. Step 5: Solve for x
    x = 19,551,586,839.51/170,190.64
  6. Step 6: Final answer
    x = 114,880.51

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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.