Home / 161,672.85-242,403.66-77,430.27

Finding the Fourth Proportional to 161,672.85, 242,403.66 and 77,430.27

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Solution

The fourth proportional to 161,672.85, 242,403.66 and 77,430.27 is: 116,094.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,672.85 : 242,403.66 = 77,430.27 : x
  2. Step 2: Convert to fraction form
    161,672.85/242,403.66 = 77,430.27/x
  3. Step 3: Cross multiply
    161,672.85x = 242,403.66 × 77,430.27
  4. Step 4: Simplify right side
    161,672.85x = 18,769,380,842.79
  5. Step 5: Solve for x
    x = 18,769,380,842.79/161,672.85
  6. Step 6: Final answer
    x = 116,094.82

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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.