Home / 147,621.86-221,467.94-47,782.07

Finding the Fourth Proportional to 147,621.86, 221,467.94 and 47,782.07

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Solution

The fourth proportional to 147,621.86, 221,467.94 and 47,782.07 is: 71,684.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,621.86 : 221,467.94 = 47,782.07 : x
  2. Step 2: Convert to fraction form
    147,621.86/221,467.94 = 47,782.07/x
  3. Step 3: Cross multiply
    147,621.86x = 221,467.94 × 47,782.07
  4. Step 4: Simplify right side
    147,621.86x = 10,582,195,265.59
  5. Step 5: Solve for x
    x = 10,582,195,265.59/147,621.86
  6. Step 6: Final answer
    x = 71,684.48

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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.