Home / 115,823.92-159,837.07-64,836.75

Finding the Fourth Proportional to 115,823.92, 159,837.07 and 64,836.75

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Solution

The fourth proportional to 115,823.92, 159,837.07 and 64,836.75 is: 89,474.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,823.92 : 159,837.07 = 64,836.75 : x
  2. Step 2: Convert to fraction form
    115,823.92/159,837.07 = 64,836.75/x
  3. Step 3: Cross multiply
    115,823.92x = 159,837.07 × 64,836.75
  4. Step 4: Simplify right side
    115,823.92x = 10,363,315,349.14
  5. Step 5: Solve for x
    x = 10,363,315,349.14/115,823.92
  6. Step 6: Final answer
    x = 89,474.75

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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.