Home / 97,321.39-145,969.45-30,768.23

Finding the Fourth Proportional to 97,321.39, 145,969.45 and 30,768.23

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Solution

The fourth proportional to 97,321.39, 145,969.45 and 30,768.23 is: 46,148.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,321.39 : 145,969.45 = 30,768.23 : x
  2. Step 2: Convert to fraction form
    97,321.39/145,969.45 = 30,768.23/x
  3. Step 3: Cross multiply
    97,321.39x = 145,969.45 × 30,768.23
  4. Step 4: Simplify right side
    97,321.39x = 4,491,221,610.57
  5. Step 5: Solve for x
    x = 4,491,221,610.57/97,321.39
  6. Step 6: Final answer
    x = 46,148.35

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1.5x scale

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.