Home / 161,544.26-242,349.20-66,782.91

Finding the Fourth Proportional to 161,544.26, 242,349.20 and 66,782.91

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Solution

The fourth proportional to 161,544.26, 242,349.20 and 66,782.91 is: 100,187.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,544.26 : 242,349.20 = 66,782.91 : x
  2. Step 2: Convert to fraction form
    161,544.26/242,349.20 = 66,782.91/x
  3. Step 3: Cross multiply
    161,544.26x = 242,349.20 × 66,782.91
  4. Step 4: Simplify right side
    161,544.26x = 16,184,784,478.26
  5. Step 5: Solve for x
    x = 16,184,784,478.26/161,544.26
  6. Step 6: Final answer
    x = 100,187.93

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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.