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Finding the Fourth Proportional to 94,354.86, 130,207.85 and 51,914.10

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Solution

The fourth proportional to 94,354.86, 130,207.85 and 51,914.10 is: 71,640.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,354.86 : 130,207.85 = 51,914.10 : x
  2. Step 2: Convert to fraction form
    94,354.86/130,207.85 = 51,914.10/x
  3. Step 3: Cross multiply
    94,354.86x = 130,207.85 × 51,914.10
  4. Step 4: Simplify right side
    94,354.86x = 6,759,623,086.11
  5. Step 5: Solve for x
    x = 6,759,623,086.11/94,354.86
  6. Step 6: Final answer
    x = 71,640.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.