Home / 115,827.09-159,856.46-64,859.23

Finding the Fourth Proportional to 115,827.09, 159,856.46 and 64,859.23

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Solution

The fourth proportional to 115,827.09, 159,856.46 and 64,859.23 is: 89,514.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,827.09 : 159,856.46 = 64,859.23 : x
  2. Step 2: Convert to fraction form
    115,827.09/159,856.46 = 64,859.23/x
  3. Step 3: Cross multiply
    115,827.09x = 159,856.46 × 64,859.23
  4. Step 4: Simplify right side
    115,827.09x = 10,368,166,906.13
  5. Step 5: Solve for x
    x = 10,368,166,906.13/115,827.09
  6. Step 6: Final answer
    x = 89,514.18

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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.