Home / 215,730.48-297,709.44-120,243.24

Finding the Fourth Proportional to 215,730.48, 297,709.44 and 120,243.24

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Solution

The fourth proportional to 215,730.48, 297,709.44 and 120,243.24 is: 165,936.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,730.48 : 297,709.44 = 120,243.24 : x
  2. Step 2: Convert to fraction form
    215,730.48/297,709.44 = 120,243.24/x
  3. Step 3: Cross multiply
    215,730.48x = 297,709.44 × 120,243.24
  4. Step 4: Simplify right side
    215,730.48x = 35,797,547,644.19
  5. Step 5: Solve for x
    x = 35,797,547,644.19/215,730.48
  6. Step 6: Final answer
    x = 165,936.44

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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.