Home / 142,824.27-197,094.56-79,161.51

Finding the Fourth Proportional to 142,824.27, 197,094.56 and 79,161.51

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Solution

The fourth proportional to 142,824.27, 197,094.56 and 79,161.51 is: 109,241.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,824.27 : 197,094.56 = 79,161.51 : x
  2. Step 2: Convert to fraction form
    142,824.27/197,094.56 = 79,161.51/x
  3. Step 3: Cross multiply
    142,824.27x = 197,094.56 × 79,161.51
  4. Step 4: Simplify right side
    142,824.27x = 15,602,302,586.58
  5. Step 5: Solve for x
    x = 15,602,302,586.58/142,824.27
  6. Step 6: Final answer
    x = 109,241.26

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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.