Home / 115,899.84-159,923.50-67,509.73

Finding the Fourth Proportional to 115,899.84, 159,923.50 and 67,509.73

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Solution

The fourth proportional to 115,899.84, 159,923.50 and 67,509.73 is: 93,152.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,899.84 : 159,923.50 = 67,509.73 : x
  2. Step 2: Convert to fraction form
    115,899.84/159,923.50 = 67,509.73/x
  3. Step 3: Cross multiply
    115,899.84x = 159,923.50 × 67,509.73
  4. Step 4: Simplify right side
    115,899.84x = 10,796,392,305.66
  5. Step 5: Solve for x
    x = 10,796,392,305.66/115,899.84
  6. Step 6: Final answer
    x = 93,152.78

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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.