Home / 250,261.76-345,360.93-135,540.34

Finding the Fourth Proportional to 250,261.76, 345,360.93 and 135,540.34

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Solution

The fourth proportional to 250,261.76, 345,360.93 and 135,540.34 is: 187,045.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,261.76 : 345,360.93 = 135,540.34 : x
  2. Step 2: Convert to fraction form
    250,261.76/345,360.93 = 135,540.34/x
  3. Step 3: Cross multiply
    250,261.76x = 345,360.93 × 135,540.34
  4. Step 4: Simplify right side
    250,261.76x = 46,810,336,503.24
  5. Step 5: Solve for x
    x = 46,810,336,503.24/250,261.76
  6. Step 6: Final answer
    x = 187,045.50

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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.