Home / 145,140.15-217,693.89-50,352.87

Finding the Fourth Proportional to 145,140.15, 217,693.89 and 50,352.87

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Solution

The fourth proportional to 145,140.15, 217,693.89 and 50,352.87 is: 75,523.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,140.15 : 217,693.89 = 50,352.87 : x
  2. Step 2: Convert to fraction form
    145,140.15/217,693.89 = 50,352.87/x
  3. Step 3: Cross multiply
    145,140.15x = 217,693.89 × 50,352.87
  4. Step 4: Simplify right side
    145,140.15x = 10,961,512,142.96
  5. Step 5: Solve for x
    x = 10,961,512,142.96/145,140.15
  6. Step 6: Final answer
    x = 75,523.64

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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.