Home / 160,826.28-221,935-97,152.96

Finding the Fourth Proportional to 160,826.28, 221,935 and 97,152.96

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Solution

The fourth proportional to 160,826.28, 221,935 and 97,152.96 is: 134,067.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,826.28 : 221,935 = 97,152.96 : x
  2. Step 2: Convert to fraction form
    160,826.28/221,935 = 97,152.96/x
  3. Step 3: Cross multiply
    160,826.28x = 221,935 × 97,152.96
  4. Step 4: Simplify right side
    160,826.28x = 21,561,642,177.60
  5. Step 5: Solve for x
    x = 21,561,642,177.60/160,826.28
  6. Step 6: Final answer
    x = 134,067.90

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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.