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Finding the Fourth Proportional to 192,615.48, 265,834.44 and 107,750.16

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Solution

The fourth proportional to 192,615.48, 265,834.44 and 107,750.16 is: 148,709.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,615.48 : 265,834.44 = 107,750.16 : x
  2. Step 2: Convert to fraction form
    192,615.48/265,834.44 = 107,750.16/x
  3. Step 3: Cross multiply
    192,615.48x = 265,834.44 × 107,750.16
  4. Step 4: Simplify right side
    192,615.48x = 28,643,703,443.51
  5. Step 5: Solve for x
    x = 28,643,703,443.51/192,615.48
  6. Step 6: Final answer
    x = 148,709.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.