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Finding the Fourth Proportional to 202,762.07, 279,800.43 and 112,112.64

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Solution

The fourth proportional to 202,762.07, 279,800.43 and 112,112.64 is: 154,709.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,762.07 : 279,800.43 = 112,112.64 : x
  2. Step 2: Convert to fraction form
    202,762.07/279,800.43 = 112,112.64/x
  3. Step 3: Cross multiply
    202,762.07x = 279,800.43 × 112,112.64
  4. Step 4: Simplify right side
    202,762.07x = 31,369,164,460.01
  5. Step 5: Solve for x
    x = 31,369,164,460.01/202,762.07
  6. Step 6: Final answer
    x = 154,709.23

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1.5x scale

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.