Home / 559,921.02-839,874.24-139,200.54

Finding the Fourth Proportional to 559,921.02, 839,874.24 and 139,200.54

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Solution

The fourth proportional to 559,921.02, 839,874.24 and 139,200.54 is: 208,799.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,921.02 : 839,874.24 = 139,200.54 : x
  2. Step 2: Convert to fraction form
    559,921.02/839,874.24 = 139,200.54/x
  3. Step 3: Cross multiply
    559,921.02x = 839,874.24 × 139,200.54
  4. Step 4: Simplify right side
    559,921.02x = 116,910,947,740.09
  5. Step 5: Solve for x
    x = 116,910,947,740.09/559,921.02
  6. Step 6: Final answer
    x = 208,799.00

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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.