Home / 185,400.30-255,857.45-104,839.88

Finding the Fourth Proportional to 185,400.30, 255,857.45 and 104,839.88

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Solution

The fourth proportional to 185,400.30, 255,857.45 and 104,839.88 is: 144,681.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,400.30 : 255,857.45 = 104,839.88 : x
  2. Step 2: Convert to fraction form
    185,400.30/255,857.45 = 104,839.88/x
  3. Step 3: Cross multiply
    185,400.30x = 255,857.45 × 104,839.88
  4. Step 4: Simplify right side
    185,400.30x = 26,824,063,141.34
  5. Step 5: Solve for x
    x = 26,824,063,141.34/185,400.30
  6. Step 6: Final answer
    x = 144,681.88

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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.