Home / 215,580.15-297,507.35-123,716.24

Finding the Fourth Proportional to 215,580.15, 297,507.35 and 123,716.24

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Solution

The fourth proportional to 215,580.15, 297,507.35 and 123,716.24 is: 170,732.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,580.15 : 297,507.35 = 123,716.24 : x
  2. Step 2: Convert to fraction form
    215,580.15/297,507.35 = 123,716.24/x
  3. Step 3: Cross multiply
    215,580.15x = 297,507.35 × 123,716.24
  4. Step 4: Simplify right side
    215,580.15x = 36,806,490,714.36
  5. Step 5: Solve for x
    x = 36,806,490,714.36/215,580.15
  6. Step 6: Final answer
    x = 170,732.28

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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.