Home / 250,133.76-345,116.16-160,761.60

Finding the Fourth Proportional to 250,133.76, 345,116.16 and 160,761.60

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Solution

The fourth proportional to 250,133.76, 345,116.16 and 160,761.60 is: 221,807.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,133.76 : 345,116.16 = 160,761.60 : x
  2. Step 2: Convert to fraction form
    250,133.76/345,116.16 = 160,761.60/x
  3. Step 3: Cross multiply
    250,133.76x = 345,116.16 × 160,761.60
  4. Step 4: Simplify right side
    250,133.76x = 55,481,426,067.46
  5. Step 5: Solve for x
    x = 55,481,426,067.46/250,133.76
  6. Step 6: Final answer
    x = 221,807.03

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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.