Home / 215,334.21-297,156.69-124,706.55

Finding the Fourth Proportional to 215,334.21, 297,156.69 and 124,706.55

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Solution

The fourth proportional to 215,334.21, 297,156.69 and 124,706.55 is: 172,092.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,334.21 : 297,156.69 = 124,706.55 : x
  2. Step 2: Convert to fraction form
    215,334.21/297,156.69 = 124,706.55/x
  3. Step 3: Cross multiply
    215,334.21x = 297,156.69 × 124,706.55
  4. Step 4: Simplify right side
    215,334.21x = 37,057,385,619.32
  5. Step 5: Solve for x
    x = 37,057,385,619.32/215,334.21
  6. Step 6: Final answer
    x = 172,092.42

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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.