Home / 161,739.10-242,565.45-49,419.10

Finding the Fourth Proportional to 161,739.10, 242,565.45 and 49,419.10

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Solution

The fourth proportional to 161,739.10, 242,565.45 and 49,419.10 is: 74,115.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,739.10 : 242,565.45 = 49,419.10 : x
  2. Step 2: Convert to fraction form
    161,739.10/242,565.45 = 49,419.10/x
  3. Step 3: Cross multiply
    161,739.10x = 242,565.45 × 49,419.10
  4. Step 4: Simplify right side
    161,739.10x = 11,987,366,230.10
  5. Step 5: Solve for x
    x = 11,987,366,230.10/161,739.10
  6. Step 6: Final answer
    x = 74,115.45

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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.