Home / 90,752.36-136,128.67-35,348.36

Finding the Fourth Proportional to 90,752.36, 136,128.67 and 35,348.36

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Solution

The fourth proportional to 90,752.36, 136,128.67 and 35,348.36 is: 53,022.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,752.36 : 136,128.67 = 35,348.36 : x
  2. Step 2: Convert to fraction form
    90,752.36/136,128.67 = 35,348.36/x
  3. Step 3: Cross multiply
    90,752.36x = 136,128.67 × 35,348.36
  4. Step 4: Simplify right side
    90,752.36x = 4,811,924,464.47
  5. Step 5: Solve for x
    x = 4,811,924,464.47/90,752.36
  6. Step 6: Final answer
    x = 53,022.59

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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.