Home / 210,942.16-291,085.56-120,301.94

Finding the Fourth Proportional to 210,942.16, 291,085.56 and 120,301.94

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Solution

The fourth proportional to 210,942.16, 291,085.56 and 120,301.94 is: 166,008.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,942.16 : 291,085.56 = 120,301.94 : x
  2. Step 2: Convert to fraction form
    210,942.16/291,085.56 = 120,301.94/x
  3. Step 3: Cross multiply
    210,942.16x = 291,085.56 × 120,301.94
  4. Step 4: Simplify right side
    210,942.16x = 35,018,157,573.99
  5. Step 5: Solve for x
    x = 35,018,157,573.99/210,942.16
  6. Step 6: Final answer
    x = 166,008.34

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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.