Home / 156,419.68-234,627.08-38,090.82

Finding the Fourth Proportional to 156,419.68, 234,627.08 and 38,090.82

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Solution

The fourth proportional to 156,419.68, 234,627.08 and 38,090.82 is: 57,135.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,419.68 : 234,627.08 = 38,090.82 : x
  2. Step 2: Convert to fraction form
    156,419.68/234,627.08 = 38,090.82/x
  3. Step 3: Cross multiply
    156,419.68x = 234,627.08 × 38,090.82
  4. Step 4: Simplify right side
    156,419.68x = 8,937,137,871.41
  5. Step 5: Solve for x
    x = 8,937,137,871.41/156,419.68
  6. Step 6: Final answer
    x = 57,135.64

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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.