Home / 222,109.20-332,509.32-142,988.40

Finding the Fourth Proportional to 222,109.20, 332,509.32 and 142,988.40

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Solution

The fourth proportional to 222,109.20, 332,509.32 and 142,988.40 is: 214,061.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,109.20 : 332,509.32 = 142,988.40 : x
  2. Step 2: Convert to fraction form
    222,109.20/332,509.32 = 142,988.40/x
  3. Step 3: Cross multiply
    222,109.20x = 332,509.32 × 142,988.40
  4. Step 4: Simplify right side
    222,109.20x = 47,544,975,651.89
  5. Step 5: Solve for x
    x = 47,544,975,651.89/222,109.20
  6. Step 6: Final answer
    x = 214,061.26

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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.