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Finding the Fourth Proportional to 92,663.95, 138,994.71 and 22,543.33

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Solution

The fourth proportional to 92,663.95, 138,994.71 and 22,543.33 is: 33,814.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,663.95 : 138,994.71 = 22,543.33 : x
  2. Step 2: Convert to fraction form
    92,663.95/138,994.71 = 22,543.33/x
  3. Step 3: Cross multiply
    92,663.95x = 138,994.71 × 22,543.33
  4. Step 4: Simplify right side
    92,663.95x = 3,133,403,615.78
  5. Step 5: Solve for x
    x = 3,133,403,615.78/92,663.95
  6. Step 6: Final answer
    x = 33,814.70

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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.