Home / 199,312.78-275,047.93-108,669.52

Finding the Fourth Proportional to 199,312.78, 275,047.93 and 108,669.52

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Solution

The fourth proportional to 199,312.78, 275,047.93 and 108,669.52 is: 149,961.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,312.78 : 275,047.93 = 108,669.52 : x
  2. Step 2: Convert to fraction form
    199,312.78/275,047.93 = 108,669.52/x
  3. Step 3: Cross multiply
    199,312.78x = 275,047.93 × 108,669.52
  4. Step 4: Simplify right side
    199,312.78x = 29,889,326,530.09
  5. Step 5: Solve for x
    x = 29,889,326,530.09/199,312.78
  6. Step 6: Final answer
    x = 149,961.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.