Home / 97,279.28-145,926.62-30,724.56

Finding the Fourth Proportional to 97,279.28, 145,926.62 and 30,724.56

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Solution

The fourth proportional to 97,279.28, 145,926.62 and 30,724.56 is: 46,089.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,279.28 : 145,926.62 = 30,724.56 : x
  2. Step 2: Convert to fraction form
    97,279.28/145,926.62 = 30,724.56/x
  3. Step 3: Cross multiply
    97,279.28x = 145,926.62 × 30,724.56
  4. Step 4: Simplify right side
    97,279.28x = 4,483,531,191.79
  5. Step 5: Solve for x
    x = 4,483,531,191.79/97,279.28
  6. Step 6: Final answer
    x = 46,089.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.