Home / 113,156.19-156,027.42-72,266.58

Finding the Fourth Proportional to 113,156.19, 156,027.42 and 72,266.58

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Solution

The fourth proportional to 113,156.19, 156,027.42 and 72,266.58 is: 99,646.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,156.19 : 156,027.42 = 72,266.58 : x
  2. Step 2: Convert to fraction form
    113,156.19/156,027.42 = 72,266.58/x
  3. Step 3: Cross multiply
    113,156.19x = 156,027.42 × 72,266.58
  4. Step 4: Simplify right side
    113,156.19x = 11,275,568,029.62
  5. Step 5: Solve for x
    x = 11,275,568,029.62/113,156.19
  6. Step 6: Final answer
    x = 99,646.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.