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Finding the Fourth Proportional to 75,447, 113,188.01 and 22,136.83

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Solution

The fourth proportional to 75,447, 113,188.01 and 22,136.83 is: 33,210.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,447 : 113,188.01 = 22,136.83 : x
  2. Step 2: Convert to fraction form
    75,447/113,188.01 = 22,136.83/x
  3. Step 3: Cross multiply
    75,447x = 113,188.01 × 22,136.83
  4. Step 4: Simplify right side
    75,447x = 2,505,623,341.75
  5. Step 5: Solve for x
    x = 2,505,623,341.75/75,447
  6. Step 6: Final answer
    x = 33,210.38

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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.