Home / 97,449.41-146,161.80-30,890.19

Finding the Fourth Proportional to 97,449.41, 146,161.80 and 30,890.19

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Solution

The fourth proportional to 97,449.41, 146,161.80 and 30,890.19 is: 46,331.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,449.41 : 146,161.80 = 30,890.19 : x
  2. Step 2: Convert to fraction form
    97,449.41/146,161.80 = 30,890.19/x
  3. Step 3: Cross multiply
    97,449.41x = 146,161.80 × 30,890.19
  4. Step 4: Simplify right side
    97,449.41x = 4,514,966,320.85
  5. Step 5: Solve for x
    x = 4,514,966,320.85/97,449.41
  6. Step 6: Final answer
    x = 46,331.39

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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.