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Finding the Fourth Proportional to 92,733.37, 138,266.72 and 84,816.14

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Solution

The fourth proportional to 92,733.37, 138,266.72 and 84,816.14 is: 126,462.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,733.37 : 138,266.72 = 84,816.14 : x
  2. Step 2: Convert to fraction form
    92,733.37/138,266.72 = 84,816.14/x
  3. Step 3: Cross multiply
    92,733.37x = 138,266.72 × 84,816.14
  4. Step 4: Simplify right side
    92,733.37x = 11,727,248,365.45
  5. Step 5: Solve for x
    x = 11,727,248,365.45/92,733.37
  6. Step 6: Final answer
    x = 126,462.01

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.