Home / 115,594.32-159,514.92-72,596.10

Finding the Fourth Proportional to 115,594.32, 159,514.92 and 72,596.10

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Solution

The fourth proportional to 115,594.32, 159,514.92 and 72,596.10 is: 100,179.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,594.32 : 159,514.92 = 72,596.10 : x
  2. Step 2: Convert to fraction form
    115,594.32/159,514.92 = 72,596.10/x
  3. Step 3: Cross multiply
    115,594.32x = 159,514.92 × 72,596.10
  4. Step 4: Simplify right side
    115,594.32x = 11,580,161,083.81
  5. Step 5: Solve for x
    x = 11,580,161,083.81/115,594.32
  6. Step 6: Final answer
    x = 100,179.33

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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.