Home / 115,919.28-159,955.29-64,924.92

Finding the Fourth Proportional to 115,919.28, 159,955.29 and 64,924.92

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Solution

The fourth proportional to 115,919.28, 159,955.29 and 64,924.92 is: 89,588.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,919.28 : 159,955.29 = 64,924.92 : x
  2. Step 2: Convert to fraction form
    115,919.28/159,955.29 = 64,924.92/x
  3. Step 3: Cross multiply
    115,919.28x = 159,955.29 × 64,924.92
  4. Step 4: Simplify right side
    115,919.28x = 10,385,084,406.83
  5. Step 5: Solve for x
    x = 10,385,084,406.83/115,919.28
  6. Step 6: Final answer
    x = 89,588.93

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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.