Home / 250,141.76-345,127.20-160,769.60

Finding the Fourth Proportional to 250,141.76, 345,127.20 and 160,769.60

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Solution

The fourth proportional to 250,141.76, 345,127.20 and 160,769.60 is: 221,818.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,141.76 : 345,127.20 = 160,769.60 : x
  2. Step 2: Convert to fraction form
    250,141.76/345,127.20 = 160,769.60/x
  3. Step 3: Cross multiply
    250,141.76x = 345,127.20 × 160,769.60
  4. Step 4: Simplify right side
    250,141.76x = 55,485,961,893.12
  5. Step 5: Solve for x
    x = 55,485,961,893.12/250,141.76
  6. Step 6: Final answer
    x = 221,818.07

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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.