Home / 199,020.64-298,647.60-142,800.16

Finding the Fourth Proportional to 199,020.64, 298,647.60 and 142,800.16

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Solution

The fourth proportional to 199,020.64, 298,647.60 and 142,800.16 is: 214,283.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,020.64 : 298,647.60 = 142,800.16 : x
  2. Step 2: Convert to fraction form
    199,020.64/298,647.60 = 142,800.16/x
  3. Step 3: Cross multiply
    199,020.64x = 298,647.60 × 142,800.16
  4. Step 4: Simplify right side
    199,020.64x = 42,646,925,063.62
  5. Step 5: Solve for x
    x = 42,646,925,063.62/199,020.64
  6. Step 6: Final answer
    x = 214,283.93

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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.