Home / 215,699.27-297,659.00-120,203.51

Finding the Fourth Proportional to 215,699.27, 297,659.00 and 120,203.51

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Solution

The fourth proportional to 215,699.27, 297,659.00 and 120,203.51 is: 165,877.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,699.27 : 297,659.00 = 120,203.51 : x
  2. Step 2: Convert to fraction form
    215,699.27/297,659.00 = 120,203.51/x
  3. Step 3: Cross multiply
    215,699.27x = 297,659.00 × 120,203.51
  4. Step 4: Simplify right side
    215,699.27x = 35,779,654,493.78
  5. Step 5: Solve for x
    x = 35,779,654,493.78/215,699.27
  6. Step 6: Final answer
    x = 165,877.50

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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.