Home / 160,329.85-221,251.77-87,732.44

Finding the Fourth Proportional to 160,329.85, 221,251.77 and 87,732.44

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Solution

The fourth proportional to 160,329.85, 221,251.77 and 87,732.44 is: 121,068.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,329.85 : 221,251.77 = 87,732.44 : x
  2. Step 2: Convert to fraction form
    160,329.85/221,251.77 = 87,732.44/x
  3. Step 3: Cross multiply
    160,329.85x = 221,251.77 × 87,732.44
  4. Step 4: Simplify right side
    160,329.85x = 19,410,957,636.42
  5. Step 5: Solve for x
    x = 19,410,957,636.42/160,329.85
  6. Step 6: Final answer
    x = 121,068.89

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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.