Home / 251,036.80-375,933.12-139,995.52

Finding the Fourth Proportional to 251,036.80, 375,933.12 and 139,995.52

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Solution

The fourth proportional to 251,036.80, 375,933.12 and 139,995.52 is: 209,646.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,036.80 : 375,933.12 = 139,995.52 : x
  2. Step 2: Convert to fraction form
    251,036.80/375,933.12 = 139,995.52/x
  3. Step 3: Cross multiply
    251,036.80x = 375,933.12 × 139,995.52
  4. Step 4: Simplify right side
    251,036.80x = 52,628,952,619.62
  5. Step 5: Solve for x
    x = 52,628,952,619.62/251,036.80
  6. Step 6: Final answer
    x = 209,646.37

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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.