Home / 149,231.12-223,705.95-74,280.39

Finding the Fourth Proportional to 149,231.12, 223,705.95 and 74,280.39

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Solution

The fourth proportional to 149,231.12, 223,705.95 and 74,280.39 is: 111,350.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,231.12 : 223,705.95 = 74,280.39 : x
  2. Step 2: Convert to fraction form
    149,231.12/223,705.95 = 74,280.39/x
  3. Step 3: Cross multiply
    149,231.12x = 223,705.95 × 74,280.39
  4. Step 4: Simplify right side
    149,231.12x = 16,616,965,211.32
  5. Step 5: Solve for x
    x = 16,616,965,211.32/149,231.12
  6. Step 6: Final answer
    x = 111,350.54

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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.