Home / 559,974.36-839,964.87-139,250.22

Finding the Fourth Proportional to 559,974.36, 839,964.87 and 139,250.22

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Solution

The fourth proportional to 559,974.36, 839,964.87 and 139,250.22 is: 208,876.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,974.36 : 839,964.87 = 139,250.22 : x
  2. Step 2: Convert to fraction form
    559,974.36/839,964.87 = 139,250.22/x
  3. Step 3: Cross multiply
    559,974.36x = 839,964.87 × 139,250.22
  4. Step 4: Simplify right side
    559,974.36x = 116,965,292,939.77
  5. Step 5: Solve for x
    x = 116,965,292,939.77/559,974.36
  6. Step 6: Final answer
    x = 208,876.16

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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.