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Finding the Fourth Proportional to 101,250.60, 151,968.78 and 51,365.40

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Solution

The fourth proportional to 101,250.60, 151,968.78 and 51,365.40 is: 77,095.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,250.60 : 151,968.78 = 51,365.40 : x
  2. Step 2: Convert to fraction form
    101,250.60/151,968.78 = 51,365.40/x
  3. Step 3: Cross multiply
    101,250.60x = 151,968.78 × 51,365.40
  4. Step 4: Simplify right side
    101,250.60x = 7,805,937,172.21
  5. Step 5: Solve for x
    x = 7,805,937,172.21/101,250.60
  6. Step 6: Final answer
    x = 77,095.22

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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.