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Finding the Fourth Proportional to 109,552.80, 164,334.60 and 57,064.80

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Solution

The fourth proportional to 109,552.80, 164,334.60 and 57,064.80 is: 85,600.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,552.80 : 164,334.60 = 57,064.80 : x
  2. Step 2: Convert to fraction form
    109,552.80/164,334.60 = 57,064.80/x
  3. Step 3: Cross multiply
    109,552.80x = 164,334.60 × 57,064.80
  4. Step 4: Simplify right side
    109,552.80x = 9,377,721,082.08
  5. Step 5: Solve for x
    x = 9,377,721,082.08/109,552.80
  6. Step 6: Final answer
    x = 85,600.01

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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.