Home / 97,310.86-145,965.39-30,750.98

Finding the Fourth Proportional to 97,310.86, 145,965.39 and 30,750.98

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Solution

The fourth proportional to 97,310.86, 145,965.39 and 30,750.98 is: 46,126.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,310.86 : 145,965.39 = 30,750.98 : x
  2. Step 2: Convert to fraction form
    97,310.86/145,965.39 = 30,750.98/x
  3. Step 3: Cross multiply
    97,310.86x = 145,965.39 × 30,750.98
  4. Step 4: Simplify right side
    97,310.86x = 4,488,578,788.58
  5. Step 5: Solve for x
    x = 4,488,578,788.58/97,310.86
  6. Step 6: Final answer
    x = 46,126.19

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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.