Home / 97,203.06-134,141.76-56,940.48

Finding the Fourth Proportional to 97,203.06, 134,141.76 and 56,940.48

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Solution

The fourth proportional to 97,203.06, 134,141.76 and 56,940.48 is: 78,578.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,203.06 : 134,141.76 = 56,940.48 : x
  2. Step 2: Convert to fraction form
    97,203.06/134,141.76 = 56,940.48/x
  3. Step 3: Cross multiply
    97,203.06x = 134,141.76 × 56,940.48
  4. Step 4: Simplify right side
    97,203.06x = 7,638,096,202.44
  5. Step 5: Solve for x
    x = 7,638,096,202.44/97,203.06
  6. Step 6: Final answer
    x = 78,578.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.