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Finding the Fourth Proportional to 101,221.25, 151,852.93 and 50,646.47

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Solution

The fourth proportional to 101,221.25, 151,852.93 and 50,646.47 is: 75,980.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,221.25 : 151,852.93 = 50,646.47 : x
  2. Step 2: Convert to fraction form
    101,221.25/151,852.93 = 50,646.47/x
  3. Step 3: Cross multiply
    101,221.25x = 151,852.93 × 50,646.47
  4. Step 4: Simplify right side
    101,221.25x = 7,690,813,977.78
  5. Step 5: Solve for x
    x = 7,690,813,977.78/101,221.25
  6. Step 6: Final answer
    x = 75,980.23

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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.