Home / 559,941.54-839,912.94-139,217.46

Finding the Fourth Proportional to 559,941.54, 839,912.94 and 139,217.46

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Solution

The fourth proportional to 559,941.54, 839,912.94 and 139,217.46 is: 208,826.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,941.54 : 839,912.94 = 139,217.46 : x
  2. Step 2: Convert to fraction form
    559,941.54/839,912.94 = 139,217.46/x
  3. Step 3: Cross multiply
    559,941.54x = 839,912.94 × 139,217.46
  4. Step 4: Simplify right side
    559,941.54x = 116,930,546,127.93
  5. Step 5: Solve for x
    x = 116,930,546,127.93/559,941.54
  6. Step 6: Final answer
    x = 208,826.35

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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.