Home / 159,109.34-219,344.73-126,558.47

Finding the Fourth Proportional to 159,109.34, 219,344.73 and 126,558.47

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Solution

The fourth proportional to 159,109.34, 219,344.73 and 126,558.47 is: 174,470.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,109.34 : 219,344.73 = 126,558.47 : x
  2. Step 2: Convert to fraction form
    159,109.34/219,344.73 = 126,558.47/x
  3. Step 3: Cross multiply
    159,109.34x = 219,344.73 × 126,558.47
  4. Step 4: Simplify right side
    159,109.34x = 27,759,933,505.13
  5. Step 5: Solve for x
    x = 27,759,933,505.13/159,109.34
  6. Step 6: Final answer
    x = 174,470.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.