Home / 250,139.16-345,211.80-142,684.56

Finding the Fourth Proportional to 250,139.16, 345,211.80 and 142,684.56

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Solution

The fourth proportional to 250,139.16, 345,211.80 and 142,684.56 is: 196,915.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,139.16 : 345,211.80 = 142,684.56 : x
  2. Step 2: Convert to fraction form
    250,139.16/345,211.80 = 142,684.56/x
  3. Step 3: Cross multiply
    250,139.16x = 345,211.80 × 142,684.56
  4. Step 4: Simplify right side
    250,139.16x = 49,256,393,789.81
  5. Step 5: Solve for x
    x = 49,256,393,789.81/250,139.16
  6. Step 6: Final answer
    x = 196,915.96

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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.