Home / 238,286.95-328,837.09-136,313.53

Finding the Fourth Proportional to 238,286.95, 328,837.09 and 136,313.53

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Solution

The fourth proportional to 238,286.95, 328,837.09 and 136,313.53 is: 188,113.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,286.95 : 328,837.09 = 136,313.53 : x
  2. Step 2: Convert to fraction form
    238,286.95/328,837.09 = 136,313.53/x
  3. Step 3: Cross multiply
    238,286.95x = 328,837.09 × 136,313.53
  4. Step 4: Simplify right side
    238,286.95x = 44,824,942,888.64
  5. Step 5: Solve for x
    x = 44,824,942,888.64/238,286.95
  6. Step 6: Final answer
    x = 188,113.30

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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.