Home / 142,926.36-197,233.41-79,270.08

Finding the Fourth Proportional to 142,926.36, 197,233.41 and 79,270.08

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Solution

The fourth proportional to 142,926.36, 197,233.41 and 79,270.08 is: 109,389.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,926.36 : 197,233.41 = 79,270.08 : x
  2. Step 2: Convert to fraction form
    142,926.36/197,233.41 = 79,270.08/x
  3. Step 3: Cross multiply
    142,926.36x = 197,233.41 × 79,270.08
  4. Step 4: Simplify right side
    142,926.36x = 15,634,708,189.37
  5. Step 5: Solve for x
    x = 15,634,708,189.37/142,926.36
  6. Step 6: Final answer
    x = 109,389.96

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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.