Home / 214,433.04-321,650.40-89,686.56

Finding the Fourth Proportional to 214,433.04, 321,650.40 and 89,686.56

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Solution

The fourth proportional to 214,433.04, 321,650.40 and 89,686.56 is: 134,530.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,433.04 : 321,650.40 = 89,686.56 : x
  2. Step 2: Convert to fraction form
    214,433.04/321,650.40 = 89,686.56/x
  3. Step 3: Cross multiply
    214,433.04x = 321,650.40 × 89,686.56
  4. Step 4: Simplify right side
    214,433.04x = 28,847,717,898.62
  5. Step 5: Solve for x
    x = 28,847,717,898.62/214,433.04
  6. Step 6: Final answer
    x = 134,530.19

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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.