Home / 159,943.90-239,773.26-81,017.50

Finding the Fourth Proportional to 159,943.90, 239,773.26 and 81,017.50

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Solution

The fourth proportional to 159,943.90, 239,773.26 and 81,017.50 is: 121,454.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,943.90 : 239,773.26 = 81,017.50 : x
  2. Step 2: Convert to fraction form
    159,943.90/239,773.26 = 81,017.50/x
  3. Step 3: Cross multiply
    159,943.90x = 239,773.26 × 81,017.50
  4. Step 4: Simplify right side
    159,943.90x = 19,425,830,092.05
  5. Step 5: Solve for x
    x = 19,425,830,092.05/159,943.90
  6. Step 6: Final answer
    x = 121,454.02

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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.