Home / 215,734.32-297,720.36-120,261.24

Finding the Fourth Proportional to 215,734.32, 297,720.36 and 120,261.24

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Solution

The fourth proportional to 215,734.32, 297,720.36 and 120,261.24 is: 165,964.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,734.32 : 297,720.36 = 120,261.24 : x
  2. Step 2: Convert to fraction form
    215,734.32/297,720.36 = 120,261.24/x
  3. Step 3: Cross multiply
    215,734.32x = 297,720.36 × 120,261.24
  4. Step 4: Simplify right side
    215,734.32x = 35,804,219,666.85
  5. Step 5: Solve for x
    x = 35,804,219,666.85/215,734.32
  6. Step 6: Final answer
    x = 165,964.41

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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.