Home / 211,260.65-291,511.16-120,610.85

Finding the Fourth Proportional to 211,260.65, 291,511.16 and 120,610.85

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Solution

The fourth proportional to 211,260.65, 291,511.16 and 120,610.85 is: 166,426.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,260.65 : 291,511.16 = 120,610.85 : x
  2. Step 2: Convert to fraction form
    211,260.65/291,511.16 = 120,610.85/x
  3. Step 3: Cross multiply
    211,260.65x = 291,511.16 × 120,610.85
  4. Step 4: Simplify right side
    211,260.65x = 35,159,408,955.37
  5. Step 5: Solve for x
    x = 35,159,408,955.37/211,260.65
  6. Step 6: Final answer
    x = 166,426.68

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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.