Home / 559,974.48-839,965.06-139,250.36

Finding the Fourth Proportional to 559,974.48, 839,965.06 and 139,250.36

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Solution

The fourth proportional to 559,974.48, 839,965.06 and 139,250.36 is: 208,876.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,974.48 : 839,965.06 = 139,250.36 : x
  2. Step 2: Convert to fraction form
    559,974.48/839,965.06 = 139,250.36/x
  3. Step 3: Cross multiply
    559,974.48x = 839,965.06 × 139,250.36
  4. Step 4: Simplify right side
    559,974.48x = 116,965,436,992.42
  5. Step 5: Solve for x
    x = 116,965,436,992.42/559,974.48
  6. Step 6: Final answer
    x = 208,876.37

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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.