Home / 271,117.54-406,727.46-102,688.30

Finding the Fourth Proportional to 271,117.54, 406,727.46 and 102,688.30

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Solution

The fourth proportional to 271,117.54, 406,727.46 and 102,688.30 is: 154,051.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,117.54 : 406,727.46 = 102,688.30 : x
  2. Step 2: Convert to fraction form
    271,117.54/406,727.46 = 102,688.30/x
  3. Step 3: Cross multiply
    271,117.54x = 406,727.46 × 102,688.30
  4. Step 4: Simplify right side
    271,117.54x = 41,766,151,430.72
  5. Step 5: Solve for x
    x = 41,766,151,430.72/271,117.54
  6. Step 6: Final answer
    x = 154,051.82

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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.