Home / 104,427.40-156,689.70-54,563.80

Finding the Fourth Proportional to 104,427.40, 156,689.70 and 54,563.80

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Solution

The fourth proportional to 104,427.40, 156,689.70 and 54,563.80 is: 81,871.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,427.40 : 156,689.70 = 54,563.80 : x
  2. Step 2: Convert to fraction form
    104,427.40/156,689.70 = 54,563.80/x
  3. Step 3: Cross multiply
    104,427.40x = 156,689.70 × 54,563.80
  4. Step 4: Simplify right side
    104,427.40x = 8,549,585,452.86
  5. Step 5: Solve for x
    x = 8,549,585,452.86/104,427.40
  6. Step 6: Final answer
    x = 81,871.09

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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.