Home / 89,286.74-133,930.12-69,580.06

Finding the Fourth Proportional to 89,286.74, 133,930.12 and 69,580.06

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Solution

The fourth proportional to 89,286.74, 133,930.12 and 69,580.06 is: 104,370.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,286.74 : 133,930.12 = 69,580.06 : x
  2. Step 2: Convert to fraction form
    89,286.74/133,930.12 = 69,580.06/x
  3. Step 3: Cross multiply
    89,286.74x = 133,930.12 × 69,580.06
  4. Step 4: Simplify right side
    89,286.74x = 9,318,865,785.41
  5. Step 5: Solve for x
    x = 9,318,865,785.41/89,286.74
  6. Step 6: Final answer
    x = 104,370.10

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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.