Home / 96,865.10-145,297.65-30,305.81

Finding the Fourth Proportional to 96,865.10, 145,297.65 and 30,305.81

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Solution

The fourth proportional to 96,865.10, 145,297.65 and 30,305.81 is: 45,458.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,865.10 : 145,297.65 = 30,305.81 : x
  2. Step 2: Convert to fraction form
    96,865.10/145,297.65 = 30,305.81/x
  3. Step 3: Cross multiply
    96,865.10x = 145,297.65 × 30,305.81
  4. Step 4: Simplify right side
    96,865.10x = 4,403,362,247.86
  5. Step 5: Solve for x
    x = 4,403,362,247.86/96,865.10
  6. Step 6: Final answer
    x = 45,458.71

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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.