Home / 199,928.08-299,941.32-140,879.08

Finding the Fourth Proportional to 199,928.08, 299,941.32 and 140,879.08

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Solution

The fourth proportional to 199,928.08, 299,941.32 and 140,879.08 is: 211,353.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,928.08 : 299,941.32 = 140,879.08 : x
  2. Step 2: Convert to fraction form
    199,928.08/299,941.32 = 140,879.08/x
  3. Step 3: Cross multiply
    199,928.08x = 299,941.32 × 140,879.08
  4. Step 4: Simplify right side
    199,928.08x = 42,255,457,215.59
  5. Step 5: Solve for x
    x = 42,255,457,215.59/199,928.08
  6. Step 6: Final answer
    x = 211,353.29

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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.