Home / 97,540.13-146,315.26-30,985.47

Finding the Fourth Proportional to 97,540.13, 146,315.26 and 30,985.47

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Solution

The fourth proportional to 97,540.13, 146,315.26 and 30,985.47 is: 46,479.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,540.13 : 146,315.26 = 30,985.47 : x
  2. Step 2: Convert to fraction form
    97,540.13/146,315.26 = 30,985.47/x
  3. Step 3: Cross multiply
    97,540.13x = 146,315.26 × 30,985.47
  4. Step 4: Simplify right side
    97,540.13x = 4,533,647,138.00
  5. Step 5: Solve for x
    x = 4,533,647,138.00/97,540.13
  6. Step 6: Final answer
    x = 46,479.81

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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.