Home / 253,175.02-379,949.43-120,055.72

Finding the Fourth Proportional to 253,175.02, 379,949.43 and 120,055.72

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Solution

The fourth proportional to 253,175.02, 379,949.43 and 120,055.72 is: 180,172.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,175.02 : 379,949.43 = 120,055.72 : x
  2. Step 2: Convert to fraction form
    253,175.02/379,949.43 = 120,055.72/x
  3. Step 3: Cross multiply
    253,175.02x = 379,949.43 × 120,055.72
  4. Step 4: Simplify right side
    253,175.02x = 45,615,102,594.98
  5. Step 5: Solve for x
    x = 45,615,102,594.98/253,175.02
  6. Step 6: Final answer
    x = 180,172.21

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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.