Home / 199,133.22-298,690.10-74,464.50

Finding the Fourth Proportional to 199,133.22, 298,690.10 and 74,464.50

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Solution

The fourth proportional to 199,133.22, 298,690.10 and 74,464.50 is: 111,693.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,133.22 : 298,690.10 = 74,464.50 : x
  2. Step 2: Convert to fraction form
    199,133.22/298,690.10 = 74,464.50/x
  3. Step 3: Cross multiply
    199,133.22x = 298,690.10 × 74,464.50
  4. Step 4: Simplify right side
    199,133.22x = 22,241,808,951.45
  5. Step 5: Solve for x
    x = 22,241,808,951.45/199,133.22
  6. Step 6: Final answer
    x = 111,693.11

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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.