Home / 169,974.71-234,645.31-107,916.36

Finding the Fourth Proportional to 169,974.71, 234,645.31 and 107,916.36

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Solution

The fourth proportional to 169,974.71, 234,645.31 and 107,916.36 is: 148,975.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,974.71 : 234,645.31 = 107,916.36 : x
  2. Step 2: Convert to fraction form
    169,974.71/234,645.31 = 107,916.36/x
  3. Step 3: Cross multiply
    169,974.71x = 234,645.31 × 107,916.36
  4. Step 4: Simplify right side
    169,974.71x = 25,322,067,746.27
  5. Step 5: Solve for x
    x = 25,322,067,746.27/169,974.71
  6. Step 6: Final answer
    x = 148,975.50

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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.