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Finding the Fourth Proportional to 93,266.88, 139,934.88 and 43,373.76

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Solution

The fourth proportional to 93,266.88, 139,934.88 and 43,373.76 is: 65,076.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,266.88 : 139,934.88 = 43,373.76 : x
  2. Step 2: Convert to fraction form
    93,266.88/139,934.88 = 43,373.76/x
  3. Step 3: Cross multiply
    93,266.88x = 139,934.88 × 43,373.76
  4. Step 4: Simplify right side
    93,266.88x = 6,069,501,900.75
  5. Step 5: Solve for x
    x = 6,069,501,900.75/93,266.88
  6. Step 6: Final answer
    x = 65,076.71

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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.