Home / 97,351.36-134,241.15-76,897.47

Finding the Fourth Proportional to 97,351.36, 134,241.15 and 76,897.47

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Solution

The fourth proportional to 97,351.36, 134,241.15 and 76,897.47 is: 106,036.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,351.36 : 134,241.15 = 76,897.47 : x
  2. Step 2: Convert to fraction form
    97,351.36/134,241.15 = 76,897.47/x
  3. Step 3: Cross multiply
    97,351.36x = 134,241.15 × 76,897.47
  4. Step 4: Simplify right side
    97,351.36x = 10,322,804,804.89
  5. Step 5: Solve for x
    x = 10,322,804,804.89/97,351.36
  6. Step 6: Final answer
    x = 106,036.58

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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.