Home / 243,490.37-336,015.97-136,060.51

Finding the Fourth Proportional to 243,490.37, 336,015.97 and 136,060.51

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Solution

The fourth proportional to 243,490.37, 336,015.97 and 136,060.51 is: 187,763.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,490.37 : 336,015.97 = 136,060.51 : x
  2. Step 2: Convert to fraction form
    243,490.37/336,015.97 = 136,060.51/x
  3. Step 3: Cross multiply
    243,490.37x = 336,015.97 × 136,060.51
  4. Step 4: Simplify right side
    243,490.37x = 45,718,504,246.34
  5. Step 5: Solve for x
    x = 45,718,504,246.34/243,490.37
  6. Step 6: Final answer
    x = 187,763.09

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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.