Home / 104,180.15-156,272.51-72,127.64

Finding the Fourth Proportional to 104,180.15, 156,272.51 and 72,127.64

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Solution

The fourth proportional to 104,180.15, 156,272.51 and 72,127.64 is: 108,193.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,180.15 : 156,272.51 = 72,127.64 : x
  2. Step 2: Convert to fraction form
    104,180.15/156,272.51 = 72,127.64/x
  3. Step 3: Cross multiply
    104,180.15x = 156,272.51 × 72,127.64
  4. Step 4: Simplify right side
    104,180.15x = 11,271,566,201.18
  5. Step 5: Solve for x
    x = 11,271,566,201.18/104,180.15
  6. Step 6: Final answer
    x = 108,193.04

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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.