Home / 170,618.40-255,558.24-123,768

Finding the Fourth Proportional to 170,618.40, 255,558.24 and 123,768

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Solution

The fourth proportional to 170,618.40, 255,558.24 and 123,768 is: 185,384.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,618.40 : 255,558.24 = 123,768 : x
  2. Step 2: Convert to fraction form
    170,618.40/255,558.24 = 123,768/x
  3. Step 3: Cross multiply
    170,618.40x = 255,558.24 × 123,768
  4. Step 4: Simplify right side
    170,618.40x = 31,629,932,248.32
  5. Step 5: Solve for x
    x = 31,629,932,248.32/170,618.40
  6. Step 6: Final answer
    x = 185,384.06

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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.