Home / 161,509.78-242,273.04-49,181.32

Finding the Fourth Proportional to 161,509.78, 242,273.04 and 49,181.32

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Solution

The fourth proportional to 161,509.78, 242,273.04 and 49,181.32 is: 73,774.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,509.78 : 242,273.04 = 49,181.32 : x
  2. Step 2: Convert to fraction form
    161,509.78/242,273.04 = 49,181.32/x
  3. Step 3: Cross multiply
    161,509.78x = 242,273.04 × 49,181.32
  4. Step 4: Simplify right side
    161,509.78x = 11,915,307,907.61
  5. Step 5: Solve for x
    x = 11,915,307,907.61/161,509.78
  6. Step 6: Final answer
    x = 73,774.53

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1.5x scale

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.