Home / 113,620.32-156,797.10-62,635.01

Finding the Fourth Proportional to 113,620.32, 156,797.10 and 62,635.01

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Solution

The fourth proportional to 113,620.32, 156,797.10 and 62,635.01 is: 86,436.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,620.32 : 156,797.10 = 62,635.01 : x
  2. Step 2: Convert to fraction form
    113,620.32/156,797.10 = 62,635.01/x
  3. Step 3: Cross multiply
    113,620.32x = 156,797.10 × 62,635.01
  4. Step 4: Simplify right side
    113,620.32x = 9,820,987,142.49
  5. Step 5: Solve for x
    x = 9,820,987,142.49/113,620.32
  6. Step 6: Final answer
    x = 86,436.89

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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.