Home / 99,914.04-137,824.19-64,063.65

Finding the Fourth Proportional to 99,914.04, 137,824.19 and 64,063.65

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Solution

The fourth proportional to 99,914.04, 137,824.19 and 64,063.65 is: 88,371.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,914.04 : 137,824.19 = 64,063.65 : x
  2. Step 2: Convert to fraction form
    99,914.04/137,824.19 = 64,063.65/x
  3. Step 3: Cross multiply
    99,914.04x = 137,824.19 × 64,063.65
  4. Step 4: Simplify right side
    99,914.04x = 8,829,520,669.69
  5. Step 5: Solve for x
    x = 8,829,520,669.69/99,914.04
  6. Step 6: Final answer
    x = 88,371.17

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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.