Home / 161,442.72-242,218.53-71,473.00

Finding the Fourth Proportional to 161,442.72, 242,218.53 and 71,473.00

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Solution

The fourth proportional to 161,442.72, 242,218.53 and 71,473.00 is: 107,233.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,442.72 : 242,218.53 = 71,473.00 : x
  2. Step 2: Convert to fraction form
    161,442.72/242,218.53 = 71,473.00/x
  3. Step 3: Cross multiply
    161,442.72x = 242,218.53 × 71,473.00
  4. Step 4: Simplify right side
    161,442.72x = 17,312,085,664.15
  5. Step 5: Solve for x
    x = 17,312,085,664.15/161,442.72
  6. Step 6: Final answer
    x = 107,233.61

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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.