Home / 210,949.65-291,108.33-120,303.27

Finding the Fourth Proportional to 210,949.65, 291,108.33 and 120,303.27

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Solution

The fourth proportional to 210,949.65, 291,108.33 and 120,303.27 is: 166,017.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,949.65 : 291,108.33 = 120,303.27 : x
  2. Step 2: Convert to fraction form
    210,949.65/291,108.33 = 120,303.27/x
  3. Step 3: Cross multiply
    210,949.65x = 291,108.33 × 120,303.27
  4. Step 4: Simplify right side
    210,949.65x = 35,021,284,023.24
  5. Step 5: Solve for x
    x = 35,021,284,023.24/210,949.65
  6. Step 6: Final answer
    x = 166,017.27

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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.