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Finding the Fourth Proportional to 192,063.60, 265,061.16 and 107,182.08

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Solution

The fourth proportional to 192,063.60, 265,061.16 and 107,182.08 is: 147,918.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,063.60 : 265,061.16 = 107,182.08 : x
  2. Step 2: Convert to fraction form
    192,063.60/265,061.16 = 107,182.08/x
  3. Step 3: Cross multiply
    192,063.60x = 265,061.16 × 107,182.08
  4. Step 4: Simplify right side
    192,063.60x = 28,409,806,456.01
  5. Step 5: Solve for x
    x = 28,409,806,456.01/192,063.60
  6. Step 6: Final answer
    x = 147,918.74

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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.