Home / 99,508.58-137,317.26-54,186.38

Finding the Fourth Proportional to 99,508.58, 137,317.26 and 54,186.38

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Solution

The fourth proportional to 99,508.58, 137,317.26 and 54,186.38 is: 74,774.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,508.58 : 137,317.26 = 54,186.38 : x
  2. Step 2: Convert to fraction form
    99,508.58/137,317.26 = 54,186.38/x
  3. Step 3: Cross multiply
    99,508.58x = 137,317.26 × 54,186.38
  4. Step 4: Simplify right side
    99,508.58x = 7,440,725,230.92
  5. Step 5: Solve for x
    x = 7,440,725,230.92/99,508.58
  6. Step 6: Final answer
    x = 74,774.71

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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.