Home / 90,988.56-136,494.36-35,577.36

Finding the Fourth Proportional to 90,988.56, 136,494.36 and 35,577.36

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Solution

The fourth proportional to 90,988.56, 136,494.36 and 35,577.36 is: 53,370.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,988.56 : 136,494.36 = 35,577.36 : x
  2. Step 2: Convert to fraction form
    90,988.56/136,494.36 = 35,577.36/x
  3. Step 3: Cross multiply
    90,988.56x = 136,494.36 × 35,577.36
  4. Step 4: Simplify right side
    90,988.56x = 4,856,108,983.69
  5. Step 5: Solve for x
    x = 4,856,108,983.69/90,988.56
  6. Step 6: Final answer
    x = 53,370.54

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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.