Home / 172,931.06-238,660.62-104,965.44

Finding the Fourth Proportional to 172,931.06, 238,660.62 and 104,965.44

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Solution

The fourth proportional to 172,931.06, 238,660.62 and 104,965.44 is: 144,861.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,931.06 : 238,660.62 = 104,965.44 : x
  2. Step 2: Convert to fraction form
    172,931.06/238,660.62 = 104,965.44/x
  3. Step 3: Cross multiply
    172,931.06x = 238,660.62 × 104,965.44
  4. Step 4: Simplify right side
    172,931.06x = 25,051,116,988.97
  5. Step 5: Solve for x
    x = 25,051,116,988.97/172,931.06
  6. Step 6: Final answer
    x = 144,861.87

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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.