Home / 90,730.88-136,112.64-37,393.16

Finding the Fourth Proportional to 90,730.88, 136,112.64 and 37,393.16

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Solution

The fourth proportional to 90,730.88, 136,112.64 and 37,393.16 is: 56,096.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,730.88 : 136,112.64 = 37,393.16 : x
  2. Step 2: Convert to fraction form
    90,730.88/136,112.64 = 37,393.16/x
  3. Step 3: Cross multiply
    90,730.88x = 136,112.64 × 37,393.16
  4. Step 4: Simplify right side
    90,730.88x = 5,089,681,725.54
  5. Step 5: Solve for x
    x = 5,089,681,725.54/90,730.88
  6. Step 6: Final answer
    x = 56,096.47

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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.