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Finding the Fourth Proportional to 101,145.70, 151,718.55 and 92,616.40

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Solution

The fourth proportional to 101,145.70, 151,718.55 and 92,616.40 is: 138,924.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,145.70 : 151,718.55 = 92,616.40 : x
  2. Step 2: Convert to fraction form
    101,145.70/151,718.55 = 92,616.40/x
  3. Step 3: Cross multiply
    101,145.70x = 151,718.55 × 92,616.40
  4. Step 4: Simplify right side
    101,145.70x = 14,051,625,914.22
  5. Step 5: Solve for x
    x = 14,051,625,914.22/101,145.70
  6. Step 6: Final answer
    x = 138,924.60

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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.