Home / 104,233.20-156,394.08-51,643.68

Finding the Fourth Proportional to 104,233.20, 156,394.08 and 51,643.68

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Solution

The fourth proportional to 104,233.20, 156,394.08 and 51,643.68 is: 77,487.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,233.20 : 156,394.08 = 51,643.68 : x
  2. Step 2: Convert to fraction form
    104,233.20/156,394.08 = 51,643.68/x
  3. Step 3: Cross multiply
    104,233.20x = 156,394.08 × 51,643.68
  4. Step 4: Simplify right side
    104,233.20x = 8,076,765,821.41
  5. Step 5: Solve for x
    x = 8,076,765,821.41/104,233.20
  6. Step 6: Final answer
    x = 77,487.46

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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.