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Finding the Fourth Proportional to 110,718.47, 165,975.51 and 44,142.50

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Solution

The fourth proportional to 110,718.47, 165,975.51 and 44,142.50 is: 66,173.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,718.47 : 165,975.51 = 44,142.50 : x
  2. Step 2: Convert to fraction form
    110,718.47/165,975.51 = 44,142.50/x
  3. Step 3: Cross multiply
    110,718.47x = 165,975.51 × 44,142.50
  4. Step 4: Simplify right side
    110,718.47x = 7,326,573,950.18
  5. Step 5: Solve for x
    x = 7,326,573,950.18/110,718.47
  6. Step 6: Final answer
    x = 66,173.01

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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.