Home / 215,196.80-297,007.84-124,555.20

Finding the Fourth Proportional to 215,196.80, 297,007.84 and 124,555.20

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Solution

The fourth proportional to 215,196.80, 297,007.84 and 124,555.20 is: 171,907.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,196.80 : 297,007.84 = 124,555.20 : x
  2. Step 2: Convert to fraction form
    215,196.80/297,007.84 = 124,555.20/x
  3. Step 3: Cross multiply
    215,196.80x = 297,007.84 × 124,555.20
  4. Step 4: Simplify right side
    215,196.80x = 36,993,870,912.77
  5. Step 5: Solve for x
    x = 36,993,870,912.77/215,196.80
  6. Step 6: Final answer
    x = 171,907.16

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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.