Home / 75,176.45-103,743.54-41,186.16

Finding the Fourth Proportional to 75,176.45, 103,743.54 and 41,186.16

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Solution

The fourth proportional to 75,176.45, 103,743.54 and 41,186.16 is: 56,836.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,176.45 : 103,743.54 = 41,186.16 : x
  2. Step 2: Convert to fraction form
    75,176.45/103,743.54 = 41,186.16/x
  3. Step 3: Cross multiply
    75,176.45x = 103,743.54 × 41,186.16
  4. Step 4: Simplify right side
    75,176.45x = 4,272,798,037.41
  5. Step 5: Solve for x
    x = 4,272,798,037.41/75,176.45
  6. Step 6: Final answer
    x = 56,836.93

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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.