Home / 559,766.92-839,647.26-139,042.60

Finding the Fourth Proportional to 559,766.92, 839,647.26 and 139,042.60

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Solution

The fourth proportional to 559,766.92, 839,647.26 and 139,042.60 is: 208,563.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,766.92 : 839,647.26 = 139,042.60 : x
  2. Step 2: Convert to fraction form
    559,766.92/839,647.26 = 139,042.60/x
  3. Step 3: Cross multiply
    559,766.92x = 839,647.26 × 139,042.60
  4. Step 4: Simplify right side
    559,766.92x = 116,746,738,113.28
  5. Step 5: Solve for x
    x = 116,746,738,113.28/559,766.92
  6. Step 6: Final answer
    x = 208,563.13

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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.