Home / 160,162.58-221,013.51-88,532.85

Finding the Fourth Proportional to 160,162.58, 221,013.51 and 88,532.85

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Solution

The fourth proportional to 160,162.58, 221,013.51 and 88,532.85 is: 122,169.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,162.58 : 221,013.51 = 88,532.85 : x
  2. Step 2: Convert to fraction form
    160,162.58/221,013.51 = 88,532.85/x
  3. Step 3: Cross multiply
    160,162.58x = 221,013.51 × 88,532.85
  4. Step 4: Simplify right side
    160,162.58x = 19,566,955,928.80
  5. Step 5: Solve for x
    x = 19,566,955,928.80/160,162.58
  6. Step 6: Final answer
    x = 122,169.34

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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.