Home / 115,718.24-159,705.96-64,733.80

Finding the Fourth Proportional to 115,718.24, 159,705.96 and 64,733.80

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Solution

The fourth proportional to 115,718.24, 159,705.96 and 64,733.80 is: 89,340.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,718.24 : 159,705.96 = 64,733.80 : x
  2. Step 2: Convert to fraction form
    115,718.24/159,705.96 = 64,733.80/x
  3. Step 3: Cross multiply
    115,718.24x = 159,705.96 × 64,733.80
  4. Step 4: Simplify right side
    115,718.24x = 10,338,373,673.45
  5. Step 5: Solve for x
    x = 10,338,373,673.45/115,718.24
  6. Step 6: Final answer
    x = 89,340.92

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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.