Home / 147,762.36-221,665.41-54,260.82

Finding the Fourth Proportional to 147,762.36, 221,665.41 and 54,260.82

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Solution

The fourth proportional to 147,762.36, 221,665.41 and 54,260.82 is: 81,399.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,762.36 : 221,665.41 = 54,260.82 : x
  2. Step 2: Convert to fraction form
    147,762.36/221,665.41 = 54,260.82/x
  3. Step 3: Cross multiply
    147,762.36x = 221,665.41 × 54,260.82
  4. Step 4: Simplify right side
    147,762.36x = 12,027,746,912.24
  5. Step 5: Solve for x
    x = 12,027,746,912.24/147,762.36
  6. Step 6: Final answer
    x = 81,399.26

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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.