Home / 100,974.78-151,456.68-30,848.58

Finding the Fourth Proportional to 100,974.78, 151,456.68 and 30,848.58

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Solution

The fourth proportional to 100,974.78, 151,456.68 and 30,848.58 is: 46,271.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,974.78 : 151,456.68 = 30,848.58 : x
  2. Step 2: Convert to fraction form
    100,974.78/151,456.68 = 30,848.58/x
  3. Step 3: Cross multiply
    100,974.78x = 151,456.68 × 30,848.58
  4. Step 4: Simplify right side
    100,974.78x = 4,672,223,509.51
  5. Step 5: Solve for x
    x = 4,672,223,509.51/100,974.78
  6. Step 6: Final answer
    x = 46,271.19

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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.