Home / 202,657.23-279,521.91-142,241.37

Finding the Fourth Proportional to 202,657.23, 279,521.91 and 142,241.37

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Solution

The fourth proportional to 202,657.23, 279,521.91 and 142,241.37 is: 196,191.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,657.23 : 279,521.91 = 142,241.37 : x
  2. Step 2: Convert to fraction form
    202,657.23/279,521.91 = 142,241.37/x
  3. Step 3: Cross multiply
    202,657.23x = 279,521.91 × 142,241.37
  4. Step 4: Simplify right side
    202,657.23x = 39,759,579,423.42
  5. Step 5: Solve for x
    x = 39,759,579,423.42/202,657.23
  6. Step 6: Final answer
    x = 196,191.27

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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.