Home / 199,425.39-298,888.62-99,613.45

Finding the Fourth Proportional to 199,425.39, 298,888.62 and 99,613.45

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Solution

The fourth proportional to 199,425.39, 298,888.62 and 99,613.45 is: 149,295.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,425.39 : 298,888.62 = 99,613.45 : x
  2. Step 2: Convert to fraction form
    199,425.39/298,888.62 = 99,613.45/x
  3. Step 3: Cross multiply
    199,425.39x = 298,888.62 × 99,613.45
  4. Step 4: Simplify right side
    199,425.39x = 29,773,325,109.50
  5. Step 5: Solve for x
    x = 29,773,325,109.50/199,425.39
  6. Step 6: Final answer
    x = 149,295.56

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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.