Home / 212,191.92-318,291.66-169,875.36

Finding the Fourth Proportional to 212,191.92, 318,291.66 and 169,875.36

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Solution

The fourth proportional to 212,191.92, 318,291.66 and 169,875.36 is: 254,816.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,191.92 : 318,291.66 = 169,875.36 : x
  2. Step 2: Convert to fraction form
    212,191.92/318,291.66 = 169,875.36/x
  3. Step 3: Cross multiply
    212,191.92x = 318,291.66 × 169,875.36
  4. Step 4: Simplify right side
    212,191.92x = 54,069,910,327.50
  5. Step 5: Solve for x
    x = 54,069,910,327.50/212,191.92
  6. Step 6: Final answer
    x = 254,816.07

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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.