Home / 175,933.10-242,820.18-100,481.60

Finding the Fourth Proportional to 175,933.10, 242,820.18 and 100,481.60

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Solution

The fourth proportional to 175,933.10, 242,820.18 and 100,481.60 is: 138,683.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,933.10 : 242,820.18 = 100,481.60 : x
  2. Step 2: Convert to fraction form
    175,933.10/242,820.18 = 100,481.60/x
  3. Step 3: Cross multiply
    175,933.10x = 242,820.18 × 100,481.60
  4. Step 4: Simplify right side
    175,933.10x = 24,398,960,198.69
  5. Step 5: Solve for x
    x = 24,398,960,198.69/175,933.10
  6. Step 6: Final answer
    x = 138,683.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.