Home / 96,690.46-145,035.25-30,130.64

Finding the Fourth Proportional to 96,690.46, 145,035.25 and 30,130.64

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Solution

The fourth proportional to 96,690.46, 145,035.25 and 30,130.64 is: 45,195.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,690.46 : 145,035.25 = 30,130.64 : x
  2. Step 2: Convert to fraction form
    96,690.46/145,035.25 = 30,130.64/x
  3. Step 3: Cross multiply
    96,690.46x = 145,035.25 × 30,130.64
  4. Step 4: Simplify right side
    96,690.46x = 4,370,004,905.06
  5. Step 5: Solve for x
    x = 4,370,004,905.06/96,690.46
  6. Step 6: Final answer
    x = 45,195.82

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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.