Home / 143,442.24-197,926.24-79,771.52

Finding the Fourth Proportional to 143,442.24, 197,926.24 and 79,771.52

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Solution

The fourth proportional to 143,442.24, 197,926.24 and 79,771.52 is: 110,071.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,442.24 : 197,926.24 = 79,771.52 : x
  2. Step 2: Convert to fraction form
    143,442.24/197,926.24 = 79,771.52/x
  3. Step 3: Cross multiply
    143,442.24x = 197,926.24 × 79,771.52
  4. Step 4: Simplify right side
    143,442.24x = 15,788,877,012.68
  5. Step 5: Solve for x
    x = 15,788,877,012.68/143,442.24
  6. Step 6: Final answer
    x = 110,071.32

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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.