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Finding the Fourth Proportional to 101,220.30, 151,922.60 and 53,875.16

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Solution

The fourth proportional to 101,220.30, 151,922.60 and 53,875.16 is: 80,861.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,220.30 : 151,922.60 = 53,875.16 : x
  2. Step 2: Convert to fraction form
    101,220.30/151,922.60 = 53,875.16/x
  3. Step 3: Cross multiply
    101,220.30x = 151,922.60 × 53,875.16
  4. Step 4: Simplify right side
    101,220.30x = 8,184,854,382.62
  5. Step 5: Solve for x
    x = 8,184,854,382.62/101,220.30
  6. Step 6: Final answer
    x = 80,861.79

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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.