Home / 90,735.03-136,013.85-40,827.69

Finding the Fourth Proportional to 90,735.03, 136,013.85 and 40,827.69

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Solution

The fourth proportional to 90,735.03, 136,013.85 and 40,827.69 is: 61,201.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,735.03 : 136,013.85 = 40,827.69 : x
  2. Step 2: Convert to fraction form
    90,735.03/136,013.85 = 40,827.69/x
  3. Step 3: Cross multiply
    90,735.03x = 136,013.85 × 40,827.69
  4. Step 4: Simplify right side
    90,735.03x = 5,553,131,303.51
  5. Step 5: Solve for x
    x = 5,553,131,303.51/90,735.03
  6. Step 6: Final answer
    x = 61,201.63

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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.