Home / 89,268.21-133,937.18-39,313.20

Finding the Fourth Proportional to 89,268.21, 133,937.18 and 39,313.20

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Solution

The fourth proportional to 89,268.21, 133,937.18 and 39,313.20 is: 58,985.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,268.21 : 133,937.18 = 39,313.20 : x
  2. Step 2: Convert to fraction form
    89,268.21/133,937.18 = 39,313.20/x
  3. Step 3: Cross multiply
    89,268.21x = 133,937.18 × 39,313.20
  4. Step 4: Simplify right side
    89,268.21x = 5,265,499,609.15
  5. Step 5: Solve for x
    x = 5,265,499,609.15/89,268.21
  6. Step 6: Final answer
    x = 58,985.16

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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.