Home / 161,926.80-242,562.15-91,724.10

Finding the Fourth Proportional to 161,926.80, 242,562.15 and 91,724.10

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Solution

The fourth proportional to 161,926.80, 242,562.15 and 91,724.10 is: 137,400.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,926.80 : 242,562.15 = 91,724.10 : x
  2. Step 2: Convert to fraction form
    161,926.80/242,562.15 = 91,724.10/x
  3. Step 3: Cross multiply
    161,926.80x = 242,562.15 × 91,724.10
  4. Step 4: Simplify right side
    161,926.80x = 22,248,794,902.82
  5. Step 5: Solve for x
    x = 22,248,794,902.82/161,926.80
  6. Step 6: Final answer
    x = 137,400.32

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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.