Home / 426,158.12-639,070.94-159,773.32

Finding the Fourth Proportional to 426,158.12, 639,070.94 and 159,773.32

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Solution

The fourth proportional to 426,158.12, 639,070.94 and 159,773.32 is: 239,597.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,158.12 : 639,070.94 = 159,773.32 : x
  2. Step 2: Convert to fraction form
    426,158.12/639,070.94 = 159,773.32/x
  3. Step 3: Cross multiply
    426,158.12x = 639,070.94 × 159,773.32
  4. Step 4: Simplify right side
    426,158.12x = 102,106,485,799.32
  5. Step 5: Solve for x
    x = 102,106,485,799.32/426,158.12
  6. Step 6: Final answer
    x = 239,597.65

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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.