Home / 97,134.50-145,707.60-30,576.80

Finding the Fourth Proportional to 97,134.50, 145,707.60 and 30,576.80

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Solution

The fourth proportional to 97,134.50, 145,707.60 and 30,576.80 is: 45,867.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,134.50 : 145,707.60 = 30,576.80 : x
  2. Step 2: Convert to fraction form
    97,134.50/145,707.60 = 30,576.80/x
  3. Step 3: Cross multiply
    97,134.50x = 145,707.60 × 30,576.80
  4. Step 4: Simplify right side
    97,134.50x = 4,455,272,143.68
  5. Step 5: Solve for x
    x = 4,455,272,143.68/97,134.50
  6. Step 6: Final answer
    x = 45,867.04

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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.