Home / 215,476.56-297,364.77-123,611.64

Finding the Fourth Proportional to 215,476.56, 297,364.77 and 123,611.64

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Solution

The fourth proportional to 215,476.56, 297,364.77 and 123,611.64 is: 170,588.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,476.56 : 297,364.77 = 123,611.64 : x
  2. Step 2: Convert to fraction form
    215,476.56/297,364.77 = 123,611.64/x
  3. Step 3: Cross multiply
    215,476.56x = 297,364.77 × 123,611.64
  4. Step 4: Simplify right side
    215,476.56x = 36,757,746,897.92
  5. Step 5: Solve for x
    x = 36,757,746,897.92/215,476.56
  6. Step 6: Final answer
    x = 170,588.15

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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.