Home / 89,145.40-133,505.52-51,626.20

Finding the Fourth Proportional to 89,145.40, 133,505.52 and 51,626.20

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Solution

The fourth proportional to 89,145.40, 133,505.52 and 51,626.20 is: 77,316.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,145.40 : 133,505.52 = 51,626.20 : x
  2. Step 2: Convert to fraction form
    89,145.40/133,505.52 = 51,626.20/x
  3. Step 3: Cross multiply
    89,145.40x = 133,505.52 × 51,626.20
  4. Step 4: Simplify right side
    89,145.40x = 6,892,382,676.62
  5. Step 5: Solve for x
    x = 6,892,382,676.62/89,145.40
  6. Step 6: Final answer
    x = 77,316.19

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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.