Home / 160,893.36-221,245.49-139,635.72

Finding the Fourth Proportional to 160,893.36, 221,245.49 and 139,635.72

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Solution

The fourth proportional to 160,893.36, 221,245.49 and 139,635.72 is: 192,013.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,893.36 : 221,245.49 = 139,635.72 : x
  2. Step 2: Convert to fraction form
    160,893.36/221,245.49 = 139,635.72/x
  3. Step 3: Cross multiply
    160,893.36x = 221,245.49 × 139,635.72
  4. Step 4: Simplify right side
    160,893.36x = 30,893,772,594.72
  5. Step 5: Solve for x
    x = 30,893,772,594.72/160,893.36
  6. Step 6: Final answer
    x = 192,013.97

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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.