Home / 145,493.61-200,724.19-107,344.72

Finding the Fourth Proportional to 145,493.61, 200,724.19 and 107,344.72

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Solution

The fourth proportional to 145,493.61, 200,724.19 and 107,344.72 is: 148,093.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,493.61 : 200,724.19 = 107,344.72 : x
  2. Step 2: Convert to fraction form
    145,493.61/200,724.19 = 107,344.72/x
  3. Step 3: Cross multiply
    145,493.61x = 200,724.19 × 107,344.72
  4. Step 4: Simplify right side
    145,493.61x = 21,546,681,972.78
  5. Step 5: Solve for x
    x = 21,546,681,972.78/145,493.61
  6. Step 6: Final answer
    x = 148,093.67

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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.