Home / 151,646.70-227,615.85-76,851.30

Finding the Fourth Proportional to 151,646.70, 227,615.85 and 76,851.30

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Solution

The fourth proportional to 151,646.70, 227,615.85 and 76,851.30 is: 115,350.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,646.70 : 227,615.85 = 76,851.30 : x
  2. Step 2: Convert to fraction form
    151,646.70/227,615.85 = 76,851.30/x
  3. Step 3: Cross multiply
    151,646.70x = 227,615.85 × 76,851.30
  4. Step 4: Simplify right side
    151,646.70x = 17,492,573,973.11
  5. Step 5: Solve for x
    x = 17,492,573,973.11/151,646.70
  6. Step 6: Final answer
    x = 115,350.84

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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.