Home / 220,579.44-304,236.52-139,937.36

Finding the Fourth Proportional to 220,579.44, 304,236.52 and 139,937.36

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Solution

The fourth proportional to 220,579.44, 304,236.52 and 139,937.36 is: 193,010.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,579.44 : 304,236.52 = 139,937.36 : x
  2. Step 2: Convert to fraction form
    220,579.44/304,236.52 = 139,937.36/x
  3. Step 3: Cross multiply
    220,579.44x = 304,236.52 × 139,937.36
  4. Step 4: Simplify right side
    220,579.44x = 42,574,055,424.39
  5. Step 5: Solve for x
    x = 42,574,055,424.39/220,579.44
  6. Step 6: Final answer
    x = 193,010.08

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1.5x scale

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.