Home / 202,810.43-279,887.10-112,166.37

Finding the Fourth Proportional to 202,810.43, 279,887.10 and 112,166.37

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Solution

The fourth proportional to 202,810.43, 279,887.10 and 112,166.37 is: 154,794.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,810.43 : 279,887.10 = 112,166.37 : x
  2. Step 2: Convert to fraction form
    202,810.43/279,887.10 = 112,166.37/x
  3. Step 3: Cross multiply
    202,810.43x = 279,887.10 × 112,166.37
  4. Step 4: Simplify right side
    202,810.43x = 31,393,919,596.20
  5. Step 5: Solve for x
    x = 31,393,919,596.20/202,810.43
  6. Step 6: Final answer
    x = 154,794.40

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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.