Home / 115,443.84-159,310.94-64,457.35

Finding the Fourth Proportional to 115,443.84, 159,310.94 and 64,457.35

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Solution

The fourth proportional to 115,443.84, 159,310.94 and 64,457.35 is: 88,950.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,443.84 : 159,310.94 = 64,457.35 : x
  2. Step 2: Convert to fraction form
    115,443.84/159,310.94 = 64,457.35/x
  3. Step 3: Cross multiply
    115,443.84x = 159,310.94 × 64,457.35
  4. Step 4: Simplify right side
    115,443.84x = 10,268,760,696.12
  5. Step 5: Solve for x
    x = 10,268,760,696.12/115,443.84
  6. Step 6: Final answer
    x = 88,950.27

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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.