Home / 151,730.05-227,540.40-76,825.30

Finding the Fourth Proportional to 151,730.05, 227,540.40 and 76,825.30

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Solution

The fourth proportional to 151,730.05, 227,540.40 and 76,825.30 is: 115,210.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,730.05 : 227,540.40 = 76,825.30 : x
  2. Step 2: Convert to fraction form
    151,730.05/227,540.40 = 76,825.30/x
  3. Step 3: Cross multiply
    151,730.05x = 227,540.40 × 76,825.30
  4. Step 4: Simplify right side
    151,730.05x = 17,480,859,492.12
  5. Step 5: Solve for x
    x = 17,480,859,492.12/151,730.05
  6. Step 6: Final answer
    x = 115,210.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.