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Finding the Fourth Proportional to 101,416.40, 152,124.60 and 100,833.20

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Solution

The fourth proportional to 101,416.40, 152,124.60 and 100,833.20 is: 151,249.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,416.40 : 152,124.60 = 100,833.20 : x
  2. Step 2: Convert to fraction form
    101,416.40/152,124.60 = 100,833.20/x
  3. Step 3: Cross multiply
    101,416.40x = 152,124.60 × 100,833.20
  4. Step 4: Simplify right side
    101,416.40x = 15,339,210,216.72
  5. Step 5: Solve for x
    x = 15,339,210,216.72/101,416.40
  6. Step 6: Final answer
    x = 151,249.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.