Home / 175,945.08-242,836.72-100,493.58

Finding the Fourth Proportional to 175,945.08, 242,836.72 and 100,493.58

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Solution

The fourth proportional to 175,945.08, 242,836.72 and 100,493.58 is: 138,699.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,945.08 : 242,836.72 = 100,493.58 : x
  2. Step 2: Convert to fraction form
    175,945.08/242,836.72 = 100,493.58/x
  3. Step 3: Cross multiply
    175,945.08x = 242,836.72 × 100,493.58
  4. Step 4: Simplify right side
    175,945.08x = 24,403,531,348.26
  5. Step 5: Solve for x
    x = 24,403,531,348.26/175,945.08
  6. Step 6: Final answer
    x = 138,699.71

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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.