Home / 199,374.24-299,111.79-66,255.18

Finding the Fourth Proportional to 199,374.24, 299,111.79 and 66,255.18

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Solution

The fourth proportional to 199,374.24, 299,111.79 and 66,255.18 is: 99,399.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,374.24 : 299,111.79 = 66,255.18 : x
  2. Step 2: Convert to fraction form
    199,374.24/299,111.79 = 66,255.18/x
  3. Step 3: Cross multiply
    199,374.24x = 299,111.79 × 66,255.18
  4. Step 4: Simplify right side
    199,374.24x = 19,817,705,486.57
  5. Step 5: Solve for x
    x = 19,817,705,486.57/199,374.24
  6. Step 6: Final answer
    x = 99,399.53

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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.