Home / 160,724.89-221,785.41-89,098.84

Finding the Fourth Proportional to 160,724.89, 221,785.41 and 89,098.84

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Solution

The fourth proportional to 160,724.89, 221,785.41 and 89,098.84 is: 122,948.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,724.89 : 221,785.41 = 89,098.84 : x
  2. Step 2: Convert to fraction form
    160,724.89/221,785.41 = 89,098.84/x
  3. Step 3: Cross multiply
    160,724.89x = 221,785.41 × 89,098.84
  4. Step 4: Simplify right side
    160,724.89x = 19,760,822,759.92
  5. Step 5: Solve for x
    x = 19,760,822,759.92/160,724.89
  6. Step 6: Final answer
    x = 122,948.12

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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.