Home / 154,195.68-231,293.76-79,325.76

Finding the Fourth Proportional to 154,195.68, 231,293.76 and 79,325.76

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Solution

The fourth proportional to 154,195.68, 231,293.76 and 79,325.76 is: 118,988.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,195.68 : 231,293.76 = 79,325.76 : x
  2. Step 2: Convert to fraction form
    154,195.68/231,293.76 = 79,325.76/x
  3. Step 3: Cross multiply
    154,195.68x = 231,293.76 × 79,325.76
  4. Step 4: Simplify right side
    154,195.68x = 18,347,553,295.26
  5. Step 5: Solve for x
    x = 18,347,553,295.26/154,195.68
  6. Step 6: Final answer
    x = 118,988.76

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1.5x scale

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.