Home / 104,632.90-156,937.20-29,764.60

Finding the Fourth Proportional to 104,632.90, 156,937.20 and 29,764.60

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Solution

The fourth proportional to 104,632.90, 156,937.20 and 29,764.60 is: 44,643.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,632.90 : 156,937.20 = 29,764.60 : x
  2. Step 2: Convert to fraction form
    104,632.90/156,937.20 = 29,764.60/x
  3. Step 3: Cross multiply
    104,632.90x = 156,937.20 × 29,764.60
  4. Step 4: Simplify right side
    104,632.90x = 4,671,172,983.12
  5. Step 5: Solve for x
    x = 4,671,172,983.12/104,632.90
  6. Step 6: Final answer
    x = 44,643.44

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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.