Home / 239,064.51-329,916.28-131,638.38

Finding the Fourth Proportional to 239,064.51, 329,916.28 and 131,638.38

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Solution

The fourth proportional to 239,064.51, 329,916.28 and 131,638.38 is: 181,664.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,064.51 : 329,916.28 = 131,638.38 : x
  2. Step 2: Convert to fraction form
    239,064.51/329,916.28 = 131,638.38/x
  3. Step 3: Cross multiply
    239,064.51x = 329,916.28 × 131,638.38
  4. Step 4: Simplify right side
    239,064.51x = 43,429,646,099.04
  5. Step 5: Solve for x
    x = 43,429,646,099.04/239,064.51
  6. Step 6: Final answer
    x = 181,664.97

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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.