Home / 185,976.36-256,659.30-104,312.28

Finding the Fourth Proportional to 185,976.36, 256,659.30 and 104,312.28

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Solution

The fourth proportional to 185,976.36, 256,659.30 and 104,312.28 is: 143,957.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,976.36 : 256,659.30 = 104,312.28 : x
  2. Step 2: Convert to fraction form
    185,976.36/256,659.30 = 104,312.28/x
  3. Step 3: Cross multiply
    185,976.36x = 256,659.30 × 104,312.28
  4. Step 4: Simplify right side
    185,976.36x = 26,772,716,766.20
  5. Step 5: Solve for x
    x = 26,772,716,766.20/185,976.36
  6. Step 6: Final answer
    x = 143,957.63

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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.