Home / 145,327.10-218,029.52-131,446.94

Finding the Fourth Proportional to 145,327.10, 218,029.52 and 131,446.94

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Solution

The fourth proportional to 145,327.10, 218,029.52 and 131,446.94 is: 197,205.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,327.10 : 218,029.52 = 131,446.94 : x
  2. Step 2: Convert to fraction form
    145,327.10/218,029.52 = 131,446.94/x
  3. Step 3: Cross multiply
    145,327.10x = 218,029.52 × 131,446.94
  4. Step 4: Simplify right side
    145,327.10x = 28,659,312,472.14
  5. Step 5: Solve for x
    x = 28,659,312,472.14/145,327.10
  6. Step 6: Final answer
    x = 197,205.57

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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.