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Finding the Fourth Proportional to 101,323.62, 151,988.51 and 34,762.79

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Solution

The fourth proportional to 101,323.62, 151,988.51 and 34,762.79 is: 52,145.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,323.62 : 151,988.51 = 34,762.79 : x
  2. Step 2: Convert to fraction form
    101,323.62/151,988.51 = 34,762.79/x
  3. Step 3: Cross multiply
    101,323.62x = 151,988.51 × 34,762.79
  4. Step 4: Simplify right side
    101,323.62x = 5,283,543,721.79
  5. Step 5: Solve for x
    x = 5,283,543,721.79/101,323.62
  6. Step 6: Final answer
    x = 52,145.23

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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.