Home / 89,242.00-133,863.46-30,078.18

Finding the Fourth Proportional to 89,242.00, 133,863.46 and 30,078.18

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Solution

The fourth proportional to 89,242.00, 133,863.46 and 30,078.18 is: 45,117.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,242.00 : 133,863.46 = 30,078.18 : x
  2. Step 2: Convert to fraction form
    89,242.00/133,863.46 = 30,078.18/x
  3. Step 3: Cross multiply
    89,242.00x = 133,863.46 × 30,078.18
  4. Step 4: Simplify right side
    89,242.00x = 4,026,369,170.11
  5. Step 5: Solve for x
    x = 4,026,369,170.11/89,242.00
  6. Step 6: Final answer
    x = 45,117.43

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1.5x scale

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.