Home / 114,869.69-172,281.81-109,173.39

Finding the Fourth Proportional to 114,869.69, 172,281.81 and 109,173.39

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Solution

The fourth proportional to 114,869.69, 172,281.81 and 109,173.39 is: 163,738.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,869.69 : 172,281.81 = 109,173.39 : x
  2. Step 2: Convert to fraction form
    114,869.69/172,281.81 = 109,173.39/x
  3. Step 3: Cross multiply
    114,869.69x = 172,281.81 × 109,173.39
  4. Step 4: Simplify right side
    114,869.69x = 18,808,589,233.04
  5. Step 5: Solve for x
    x = 18,808,589,233.04/114,869.69
  6. Step 6: Final answer
    x = 163,738.49

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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.