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Finding the Fourth Proportional to 115,803, 173,309.76 and 97,103.88

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Solution

The fourth proportional to 115,803, 173,309.76 and 97,103.88 is: 145,324.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,803 : 173,309.76 = 97,103.88 : x
  2. Step 2: Convert to fraction form
    115,803/173,309.76 = 97,103.88/x
  3. Step 3: Cross multiply
    115,803x = 173,309.76 × 97,103.88
  4. Step 4: Simplify right side
    115,803x = 16,829,050,137.87
  5. Step 5: Solve for x
    x = 16,829,050,137.87/115,803
  6. Step 6: Final answer
    x = 145,324.82

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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.