Home / 112,165.38-154,805.01-71,924.58

Finding the Fourth Proportional to 112,165.38, 154,805.01 and 71,924.58

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Solution

The fourth proportional to 112,165.38, 154,805.01 and 71,924.58 is: 99,266.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,165.38 : 154,805.01 = 71,924.58 : x
  2. Step 2: Convert to fraction form
    112,165.38/154,805.01 = 71,924.58/x
  3. Step 3: Cross multiply
    112,165.38x = 154,805.01 × 71,924.58
  4. Step 4: Simplify right side
    112,165.38x = 11,134,285,326.15
  5. Step 5: Solve for x
    x = 11,134,285,326.15/112,165.38
  6. Step 6: Final answer
    x = 99,266.68

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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.