Home / 215,431.53-297,250.44-124,782.09

Finding the Fourth Proportional to 215,431.53, 297,250.44 and 124,782.09

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Solution

The fourth proportional to 215,431.53, 297,250.44 and 124,782.09 is: 172,173.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,431.53 : 297,250.44 = 124,782.09 : x
  2. Step 2: Convert to fraction form
    215,431.53/297,250.44 = 124,782.09/x
  3. Step 3: Cross multiply
    215,431.53x = 297,250.44 × 124,782.09
  4. Step 4: Simplify right side
    215,431.53x = 37,091,530,275.90
  5. Step 5: Solve for x
    x = 37,091,530,275.90/215,431.53
  6. Step 6: Final answer
    x = 172,173.17

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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.