Home / 161,454.96-242,172.60-77,274.96

Finding the Fourth Proportional to 161,454.96, 242,172.60 and 77,274.96

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Solution

The fourth proportional to 161,454.96, 242,172.60 and 77,274.96 is: 115,907.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,454.96 : 242,172.60 = 77,274.96 : x
  2. Step 2: Convert to fraction form
    161,454.96/242,172.60 = 77,274.96/x
  3. Step 3: Cross multiply
    161,454.96x = 242,172.60 × 77,274.96
  4. Step 4: Simplify right side
    161,454.96x = 18,713,877,978.10
  5. Step 5: Solve for x
    x = 18,713,877,978.10/161,454.96
  6. Step 6: Final answer
    x = 115,907.73

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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.