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Finding the Fourth Proportional to 192,055.76, 265,036.56 and 107,167.76

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Solution

The fourth proportional to 192,055.76, 265,036.56 and 107,167.76 is: 147,891.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,055.76 : 265,036.56 = 107,167.76 : x
  2. Step 2: Convert to fraction form
    192,055.76/265,036.56 = 107,167.76/x
  3. Step 3: Cross multiply
    192,055.76x = 265,036.56 × 107,167.76
  4. Step 4: Simplify right side
    192,055.76x = 28,403,374,453.31
  5. Step 5: Solve for x
    x = 28,403,374,453.31/192,055.76
  6. Step 6: Final answer
    x = 147,891.29

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1.5x scale

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.