Home / 132,740.62-183,180.63-76,160.86

Finding the Fourth Proportional to 132,740.62, 183,180.63 and 76,160.86

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Solution

The fourth proportional to 132,740.62, 183,180.63 and 76,160.86 is: 105,101.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,740.62 : 183,180.63 = 76,160.86 : x
  2. Step 2: Convert to fraction form
    132,740.62/183,180.63 = 76,160.86/x
  3. Step 3: Cross multiply
    132,740.62x = 183,180.63 × 76,160.86
  4. Step 4: Simplify right side
    132,740.62x = 13,951,194,316.14
  5. Step 5: Solve for x
    x = 13,951,194,316.14/132,740.62
  6. Step 6: Final answer
    x = 105,101.17

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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.