Home / 271,526.22-407,130.57-81,929.70

Finding the Fourth Proportional to 271,526.22, 407,130.57 and 81,929.70

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Solution

The fourth proportional to 271,526.22, 407,130.57 and 81,929.70 is: 122,846.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,526.22 : 407,130.57 = 81,929.70 : x
  2. Step 2: Convert to fraction form
    271,526.22/407,130.57 = 81,929.70/x
  3. Step 3: Cross multiply
    271,526.22x = 407,130.57 × 81,929.70
  4. Step 4: Simplify right side
    271,526.22x = 33,356,085,460.93
  5. Step 5: Solve for x
    x = 33,356,085,460.93/271,526.22
  6. Step 6: Final answer
    x = 122,846.65

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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.