Home / 147,977.71-221,968.62-48,138.43

Finding the Fourth Proportional to 147,977.71, 221,968.62 and 48,138.43

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Solution

The fourth proportional to 147,977.71, 221,968.62 and 48,138.43 is: 72,208.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,977.71 : 221,968.62 = 48,138.43 : x
  2. Step 2: Convert to fraction form
    147,977.71/221,968.62 = 48,138.43/x
  3. Step 3: Cross multiply
    147,977.71x = 221,968.62 × 48,138.43
  4. Step 4: Simplify right side
    147,977.71x = 10,685,219,525.53
  5. Step 5: Solve for x
    x = 10,685,219,525.53/147,977.71
  6. Step 6: Final answer
    x = 72,208.30

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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.