Home / 158,942.65-238,180.69-79,948.21

Finding the Fourth Proportional to 158,942.65, 238,180.69 and 79,948.21

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Solution

The fourth proportional to 158,942.65, 238,180.69 and 79,948.21 is: 119,804.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,942.65 : 238,180.69 = 79,948.21 : x
  2. Step 2: Convert to fraction form
    158,942.65/238,180.69 = 79,948.21/x
  3. Step 3: Cross multiply
    158,942.65x = 238,180.69 × 79,948.21
  4. Step 4: Simplify right side
    158,942.65x = 19,042,119,822.06
  5. Step 5: Solve for x
    x = 19,042,119,822.06/158,942.65
  6. Step 6: Final answer
    x = 119,804.97

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1.5x scale

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.