Home / 203,050.64-279,916.34-142,433.22

Finding the Fourth Proportional to 203,050.64, 279,916.34 and 142,433.22

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Solution

The fourth proportional to 203,050.64, 279,916.34 and 142,433.22 is: 196,351.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,050.64 : 279,916.34 = 142,433.22 : x
  2. Step 2: Convert to fraction form
    203,050.64/279,916.34 = 142,433.22/x
  3. Step 3: Cross multiply
    203,050.64x = 279,916.34 × 142,433.22
  4. Step 4: Simplify right side
    203,050.64x = 39,869,385,636.81
  5. Step 5: Solve for x
    x = 39,869,385,636.81/203,050.64
  6. Step 6: Final answer
    x = 196,351.93

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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.