Home / 115,895.28-159,922.26-64,900.92

Finding the Fourth Proportional to 115,895.28, 159,922.26 and 64,900.92

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Solution

The fourth proportional to 115,895.28, 159,922.26 and 64,900.92 is: 89,555.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,895.28 : 159,922.26 = 64,900.92 : x
  2. Step 2: Convert to fraction form
    115,895.28/159,922.26 = 64,900.92/x
  3. Step 3: Cross multiply
    115,895.28x = 159,922.26 × 64,900.92
  4. Step 4: Simplify right side
    115,895.28x = 10,379,101,802.48
  5. Step 5: Solve for x
    x = 10,379,101,802.48/115,895.28
  6. Step 6: Final answer
    x = 89,555.86

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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.