Home / 150,878.47-226,318-56,129.43

Finding the Fourth Proportional to 150,878.47, 226,318 and 56,129.43

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Solution

The fourth proportional to 150,878.47, 226,318 and 56,129.43 is: 84,194.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,878.47 : 226,318 = 56,129.43 : x
  2. Step 2: Convert to fraction form
    150,878.47/226,318 = 56,129.43/x
  3. Step 3: Cross multiply
    150,878.47x = 226,318 × 56,129.43
  4. Step 4: Simplify right side
    150,878.47x = 12,703,100,338.74
  5. Step 5: Solve for x
    x = 12,703,100,338.74/150,878.47
  6. Step 6: Final answer
    x = 84,194.25

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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.