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Finding the Fourth Proportional to 104,635.30, 156,952.95 and 55,483.30

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Solution

The fourth proportional to 104,635.30, 156,952.95 and 55,483.30 is: 83,224.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,635.30 : 156,952.95 = 55,483.30 : x
  2. Step 2: Convert to fraction form
    104,635.30/156,952.95 = 55,483.30/x
  3. Step 3: Cross multiply
    104,635.30x = 156,952.95 × 55,483.30
  4. Step 4: Simplify right side
    104,635.30x = 8,708,267,610.74
  5. Step 5: Solve for x
    x = 8,708,267,610.74/104,635.30
  6. Step 6: Final answer
    x = 83,224.95

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1.5x scale

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.