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Finding the Fourth Proportional to 100,053.14, 150,079.96 and 40,888.80

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Solution

The fourth proportional to 100,053.14, 150,079.96 and 40,888.80 is: 61,333.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,053.14 : 150,079.96 = 40,888.80 : x
  2. Step 2: Convert to fraction form
    100,053.14/150,079.96 = 40,888.80/x
  3. Step 3: Cross multiply
    100,053.14x = 150,079.96 × 40,888.80
  4. Step 4: Simplify right side
    100,053.14x = 6,136,589,468.45
  5. Step 5: Solve for x
    x = 6,136,589,468.45/100,053.14
  6. Step 6: Final answer
    x = 61,333.30

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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.