Home / 185,744.69-278,558.70-79,127.53

Finding the Fourth Proportional to 185,744.69, 278,558.70 and 79,127.53

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Solution

The fourth proportional to 185,744.69, 278,558.70 and 79,127.53 is: 118,666.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,744.69 : 278,558.70 = 79,127.53 : x
  2. Step 2: Convert to fraction form
    185,744.69/278,558.70 = 79,127.53/x
  3. Step 3: Cross multiply
    185,744.69x = 278,558.70 × 79,127.53
  4. Step 4: Simplify right side
    185,744.69x = 22,041,662,464.78
  5. Step 5: Solve for x
    x = 22,041,662,464.78/185,744.69
  6. Step 6: Final answer
    x = 118,666.44

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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.