Home / 97,310.76-145,965.26-30,750.90

Finding the Fourth Proportional to 97,310.76, 145,965.26 and 30,750.90

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Solution

The fourth proportional to 97,310.76, 145,965.26 and 30,750.90 is: 46,126.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,310.76 : 145,965.26 = 30,750.90 : x
  2. Step 2: Convert to fraction form
    97,310.76/145,965.26 = 30,750.90/x
  3. Step 3: Cross multiply
    97,310.76x = 145,965.26 × 30,750.90
  4. Step 4: Simplify right side
    97,310.76x = 4,488,563,113.73
  5. Step 5: Solve for x
    x = 4,488,563,113.73/97,310.76
  6. Step 6: Final answer
    x = 46,126.07

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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.