Home / 250,709.56-345,973.26-137,531.32

Finding the Fourth Proportional to 250,709.56, 345,973.26 and 137,531.32

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Solution

The fourth proportional to 250,709.56, 345,973.26 and 137,531.32 is: 189,789.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,709.56 : 345,973.26 = 137,531.32 : x
  2. Step 2: Convert to fraction form
    250,709.56/345,973.26 = 137,531.32/x
  3. Step 3: Cross multiply
    250,709.56x = 345,973.26 × 137,531.32
  4. Step 4: Simplify right side
    250,709.56x = 47,582,159,132.50
  5. Step 5: Solve for x
    x = 47,582,159,132.50/250,709.56
  6. Step 6: Final answer
    x = 189,789.97

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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.