Home / 90,462.36-135,522.24-60,385.89

Finding the Fourth Proportional to 90,462.36, 135,522.24 and 60,385.89

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Solution

The fourth proportional to 90,462.36, 135,522.24 and 60,385.89 is: 90,464.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,462.36 : 135,522.24 = 60,385.89 : x
  2. Step 2: Convert to fraction form
    90,462.36/135,522.24 = 60,385.89/x
  3. Step 3: Cross multiply
    90,462.36x = 135,522.24 × 60,385.89
  4. Step 4: Simplify right side
    90,462.36x = 8,183,631,077.19
  5. Step 5: Solve for x
    x = 8,183,631,077.19/90,462.36
  6. Step 6: Final answer
    x = 90,464.49

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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.