Home / 147,977.21-221,967.86-48,137.93

Finding the Fourth Proportional to 147,977.21, 221,967.86 and 48,137.93

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Solution

The fourth proportional to 147,977.21, 221,967.86 and 48,137.93 is: 72,207.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,977.21 : 221,967.86 = 48,137.93 : x
  2. Step 2: Convert to fraction form
    147,977.21/221,967.86 = 48,137.93/x
  3. Step 3: Cross multiply
    147,977.21x = 221,967.86 × 48,137.93
  4. Step 4: Simplify right side
    147,977.21x = 10,685,072,362.56
  5. Step 5: Solve for x
    x = 10,685,072,362.56/147,977.21
  6. Step 6: Final answer
    x = 72,207.55

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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.