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Finding the Fourth Proportional to 94,367.34, 130,184.60 and 63,730.48

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Solution

The fourth proportional to 94,367.34, 130,184.60 and 63,730.48 is: 87,919.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,367.34 : 130,184.60 = 63,730.48 : x
  2. Step 2: Convert to fraction form
    94,367.34/130,184.60 = 63,730.48/x
  3. Step 3: Cross multiply
    94,367.34x = 130,184.60 × 63,730.48
  4. Step 4: Simplify right side
    94,367.34x = 8,296,727,046.61
  5. Step 5: Solve for x
    x = 8,296,727,046.61/94,367.34
  6. Step 6: Final answer
    x = 87,919.48

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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.