Home / 239,950.17-331,133.51-136,579.32

Finding the Fourth Proportional to 239,950.17, 331,133.51 and 136,579.32

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Solution

The fourth proportional to 239,950.17, 331,133.51 and 136,579.32 is: 188,480.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,950.17 : 331,133.51 = 136,579.32 : x
  2. Step 2: Convert to fraction form
    239,950.17/331,133.51 = 136,579.32/x
  3. Step 3: Cross multiply
    239,950.17x = 331,133.51 × 136,579.32
  4. Step 4: Simplify right side
    239,950.17x = 45,225,989,625.01
  5. Step 5: Solve for x
    x = 45,225,989,625.01/239,950.17
  6. Step 6: Final answer
    x = 188,480.76

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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.