Home / 213,966.72-320,949.77-64,206.77

Finding the Fourth Proportional to 213,966.72, 320,949.77 and 64,206.77

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Solution

The fourth proportional to 213,966.72, 320,949.77 and 64,206.77 is: 96,310.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,966.72 : 320,949.77 = 64,206.77 : x
  2. Step 2: Convert to fraction form
    213,966.72/320,949.77 = 64,206.77/x
  3. Step 3: Cross multiply
    213,966.72x = 320,949.77 × 64,206.77
  4. Step 4: Simplify right side
    213,966.72x = 20,607,146,138.16
  5. Step 5: Solve for x
    x = 20,607,146,138.16/213,966.72
  6. Step 6: Final answer
    x = 96,310.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.