Home / 147,919.36-221,835.24-42,739.28

Finding the Fourth Proportional to 147,919.36, 221,835.24 and 42,739.28

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Solution

The fourth proportional to 147,919.36, 221,835.24 and 42,739.28 is: 64,096.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,919.36 : 221,835.24 = 42,739.28 : x
  2. Step 2: Convert to fraction form
    147,919.36/221,835.24 = 42,739.28/x
  3. Step 3: Cross multiply
    147,919.36x = 221,835.24 × 42,739.28
  4. Step 4: Simplify right side
    147,919.36x = 9,481,078,436.23
  5. Step 5: Solve for x
    x = 9,481,078,436.23/147,919.36
  6. Step 6: Final answer
    x = 64,096.26

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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.