Home / 160,780.20-221,877.27-89,166.84

Finding the Fourth Proportional to 160,780.20, 221,877.27 and 89,166.84

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Solution

The fourth proportional to 160,780.20, 221,877.27 and 89,166.84 is: 123,050.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,780.20 : 221,877.27 = 89,166.84 : x
  2. Step 2: Convert to fraction form
    160,780.20/221,877.27 = 89,166.84/x
  3. Step 3: Cross multiply
    160,780.20x = 221,877.27 × 89,166.84
  4. Step 4: Simplify right side
    160,780.20x = 19,784,095,033.73
  5. Step 5: Solve for x
    x = 19,784,095,033.73/160,780.20
  6. Step 6: Final answer
    x = 123,050.57

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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.