Home / 251,938.96-377,906.08-102,143.64

Finding the Fourth Proportional to 251,938.96, 377,906.08 and 102,143.64

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Solution

The fourth proportional to 251,938.96, 377,906.08 and 102,143.64 is: 153,214.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,938.96 : 377,906.08 = 102,143.64 : x
  2. Step 2: Convert to fraction form
    251,938.96/377,906.08 = 102,143.64/x
  3. Step 3: Cross multiply
    251,938.96x = 377,906.08 × 102,143.64
  4. Step 4: Simplify right side
    251,938.96x = 38,600,701,899.93
  5. Step 5: Solve for x
    x = 38,600,701,899.93/251,938.96
  6. Step 6: Final answer
    x = 153,214.50

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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.