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Finding the Fourth Proportional to 100,821.80, 151,232.70 and 95,901.05

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Solution

The fourth proportional to 100,821.80, 151,232.70 and 95,901.05 is: 143,851.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,821.80 : 151,232.70 = 95,901.05 : x
  2. Step 2: Convert to fraction form
    100,821.80/151,232.70 = 95,901.05/x
  3. Step 3: Cross multiply
    100,821.80x = 151,232.70 × 95,901.05
  4. Step 4: Simplify right side
    100,821.80x = 14,503,374,724.34
  5. Step 5: Solve for x
    x = 14,503,374,724.34/100,821.80
  6. Step 6: Final answer
    x = 143,851.58

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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.