Home / 156,419.79-234,627.21-38,090.13

Finding the Fourth Proportional to 156,419.79, 234,627.21 and 38,090.13

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Solution

The fourth proportional to 156,419.79, 234,627.21 and 38,090.13 is: 57,134.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,419.79 : 234,627.21 = 38,090.13 : x
  2. Step 2: Convert to fraction form
    156,419.79/234,627.21 = 38,090.13/x
  3. Step 3: Cross multiply
    156,419.79x = 234,627.21 × 38,090.13
  4. Step 4: Simplify right side
    156,419.79x = 8,936,980,930.44
  5. Step 5: Solve for x
    x = 8,936,980,930.44/156,419.79
  6. Step 6: Final answer
    x = 57,134.59

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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.