Home / 113,621.22-156,790.22-62,631.30

Finding the Fourth Proportional to 113,621.22, 156,790.22 and 62,631.30

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Solution

The fourth proportional to 113,621.22, 156,790.22 and 62,631.30 is: 86,427.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,621.22 : 156,790.22 = 62,631.30 : x
  2. Step 2: Convert to fraction form
    113,621.22/156,790.22 = 62,631.30/x
  3. Step 3: Cross multiply
    113,621.22x = 156,790.22 × 62,631.30
  4. Step 4: Simplify right side
    113,621.22x = 9,819,975,305.89
  5. Step 5: Solve for x
    x = 9,819,975,305.89/113,621.22
  6. Step 6: Final answer
    x = 86,427.30

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