Home / 212,193.18-318,293.69-169,876.76

Finding the Fourth Proportional to 212,193.18, 318,293.69 and 169,876.76

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Solution

The fourth proportional to 212,193.18, 318,293.69 and 169,876.76 is: 254,818.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,193.18 : 318,293.69 = 169,876.76 : x
  2. Step 2: Convert to fraction form
    212,193.18/318,293.69 = 169,876.76/x
  3. Step 3: Cross multiply
    212,193.18x = 318,293.69 × 169,876.76
  4. Step 4: Simplify right side
    212,193.18x = 54,070,698,344.79
  5. Step 5: Solve for x
    x = 54,070,698,344.79/212,193.18
  6. Step 6: Final answer
    x = 254,818.27

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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.