Home / 160,216.56-221,089.61-88,591.91

Finding the Fourth Proportional to 160,216.56, 221,089.61 and 88,591.91

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Solution

The fourth proportional to 160,216.56, 221,089.61 and 88,591.91 is: 122,251.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,216.56 : 221,089.61 = 88,591.91 : x
  2. Step 2: Convert to fraction form
    160,216.56/221,089.61 = 88,591.91/x
  3. Step 3: Cross multiply
    160,216.56x = 221,089.61 × 88,591.91
  4. Step 4: Simplify right side
    160,216.56x = 19,586,749,282.65
  5. Step 5: Solve for x
    x = 19,586,749,282.65/160,216.56
  6. Step 6: Final answer
    x = 122,251.72

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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.