Home / 97,280.72-145,908-27,167.12

Finding the Fourth Proportional to 97,280.72, 145,908 and 27,167.12

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Solution

The fourth proportional to 97,280.72, 145,908 and 27,167.12 is: 40,747.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,280.72 : 145,908 = 27,167.12 : x
  2. Step 2: Convert to fraction form
    97,280.72/145,908 = 27,167.12/x
  3. Step 3: Cross multiply
    97,280.72x = 145,908 × 27,167.12
  4. Step 4: Simplify right side
    97,280.72x = 3,963,900,144.96
  5. Step 5: Solve for x
    x = 3,963,900,144.96/97,280.72
  6. Step 6: Final answer
    x = 40,747.03

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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.