Home / 199,921.44-299,877.38-64,985.34

Finding the Fourth Proportional to 199,921.44, 299,877.38 and 64,985.34

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Solution

The fourth proportional to 199,921.44, 299,877.38 and 64,985.34 is: 97,476.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,921.44 : 299,877.38 = 64,985.34 : x
  2. Step 2: Convert to fraction form
    199,921.44/299,877.38 = 64,985.34/x
  3. Step 3: Cross multiply
    199,921.44x = 299,877.38 × 64,985.34
  4. Step 4: Simplify right side
    199,921.44x = 19,487,633,497.61
  5. Step 5: Solve for x
    x = 19,487,633,497.61/199,921.44
  6. Step 6: Final answer
    x = 97,476.46

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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.