Home / 97,490.12-146,240.38-30,935.40

Finding the Fourth Proportional to 97,490.12, 146,240.38 and 30,935.40

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Solution

The fourth proportional to 97,490.12, 146,240.38 and 30,935.40 is: 46,404.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,490.12 : 146,240.38 = 30,935.40 : x
  2. Step 2: Convert to fraction form
    97,490.12/146,240.38 = 30,935.40/x
  3. Step 3: Cross multiply
    97,490.12x = 146,240.38 × 30,935.40
  4. Step 4: Simplify right side
    97,490.12x = 4,524,004,651.45
  5. Step 5: Solve for x
    x = 4,524,004,651.45/97,490.12
  6. Step 6: Final answer
    x = 46,404.75

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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.