Home / 133,187.04-199,811.88-39,694.68

Finding the Fourth Proportional to 133,187.04, 199,811.88 and 39,694.68

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Solution

The fourth proportional to 133,187.04, 199,811.88 and 39,694.68 is: 59,551.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,187.04 : 199,811.88 = 39,694.68 : x
  2. Step 2: Convert to fraction form
    133,187.04/199,811.88 = 39,694.68/x
  3. Step 3: Cross multiply
    133,187.04x = 199,811.88 × 39,694.68
  4. Step 4: Simplify right side
    133,187.04x = 7,931,468,636.80
  5. Step 5: Solve for x
    x = 7,931,468,636.80/133,187.04
  6. Step 6: Final answer
    x = 59,551.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.