Home / 160,711.44-221,761.28-89,090.80

Finding the Fourth Proportional to 160,711.44, 221,761.28 and 89,090.80

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Solution

The fourth proportional to 160,711.44, 221,761.28 and 89,090.80 is: 122,933.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,711.44 : 221,761.28 = 89,090.80 : x
  2. Step 2: Convert to fraction form
    160,711.44/221,761.28 = 89,090.80/x
  3. Step 3: Cross multiply
    160,711.44x = 221,761.28 × 89,090.80
  4. Step 4: Simplify right side
    160,711.44x = 19,756,889,844.22
  5. Step 5: Solve for x
    x = 19,756,889,844.22/160,711.44
  6. Step 6: Final answer
    x = 122,933.94

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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.