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Finding the Fourth Proportional to 94,134, 129,904.92 and 51,693.24

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Solution

The fourth proportional to 94,134, 129,904.92 and 51,693.24 is: 71,336.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,134 : 129,904.92 = 51,693.24 : x
  2. Step 2: Convert to fraction form
    94,134/129,904.92 = 51,693.24/x
  3. Step 3: Cross multiply
    94,134x = 129,904.92 × 51,693.24
  4. Step 4: Simplify right side
    94,134x = 6,715,206,206.74
  5. Step 5: Solve for x
    x = 6,715,206,206.74/94,134
  6. Step 6: Final answer
    x = 71,336.67

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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.