Home / 213,895.08-295,206.84-123,233.76

Finding the Fourth Proportional to 213,895.08, 295,206.84 and 123,233.76

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Solution

The fourth proportional to 213,895.08, 295,206.84 and 123,233.76 is: 170,080.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,895.08 : 295,206.84 = 123,233.76 : x
  2. Step 2: Convert to fraction form
    213,895.08/295,206.84 = 123,233.76/x
  3. Step 3: Cross multiply
    213,895.08x = 295,206.84 × 123,233.76
  4. Step 4: Simplify right side
    213,895.08x = 36,379,448,870.92
  5. Step 5: Solve for x
    x = 36,379,448,870.92/213,895.08
  6. Step 6: Final answer
    x = 170,080.81

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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.