Home / 89,098.08-133,734.60-66,965.64

Finding the Fourth Proportional to 89,098.08, 133,734.60 and 66,965.64

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Solution

The fourth proportional to 89,098.08, 133,734.60 and 66,965.64 is: 100,514.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,098.08 : 133,734.60 = 66,965.64 : x
  2. Step 2: Convert to fraction form
    89,098.08/133,734.60 = 66,965.64/x
  3. Step 3: Cross multiply
    89,098.08x = 133,734.60 × 66,965.64
  4. Step 4: Simplify right side
    89,098.08x = 8,955,623,079.14
  5. Step 5: Solve for x
    x = 8,955,623,079.14/89,098.08
  6. Step 6: Final answer
    x = 100,514.21

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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.