Home / 124,774.86-172,186.56-68,186.64

Finding the Fourth Proportional to 124,774.86, 172,186.56 and 68,186.64

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Solution

The fourth proportional to 124,774.86, 172,186.56 and 68,186.64 is: 94,096.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,774.86 : 172,186.56 = 68,186.64 : x
  2. Step 2: Convert to fraction form
    124,774.86/172,186.56 = 68,186.64/x
  3. Step 3: Cross multiply
    124,774.86x = 172,186.56 × 68,186.64
  4. Step 4: Simplify right side
    124,774.86x = 11,740,822,979.56
  5. Step 5: Solve for x
    x = 11,740,822,979.56/124,774.86
  6. Step 6: Final answer
    x = 94,096.06

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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.