Home / 158,976.95-238,287.83-68,915.71

Finding the Fourth Proportional to 158,976.95, 238,287.83 and 68,915.71

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Solution

The fourth proportional to 158,976.95, 238,287.83 and 68,915.71 is: 103,296.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,976.95 : 238,287.83 = 68,915.71 : x
  2. Step 2: Convert to fraction form
    158,976.95/238,287.83 = 68,915.71/x
  3. Step 3: Cross multiply
    158,976.95x = 238,287.83 × 68,915.71
  4. Step 4: Simplify right side
    158,976.95x = 16,421,774,942.09
  5. Step 5: Solve for x
    x = 16,421,774,942.09/158,976.95
  6. Step 6: Final answer
    x = 103,296.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.