Home / 97,729.31-146,578.80-37,749.17

Finding the Fourth Proportional to 97,729.31, 146,578.80 and 37,749.17

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Solution

The fourth proportional to 97,729.31, 146,578.80 and 37,749.17 is: 56,617.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,729.31 : 146,578.80 = 37,749.17 : x
  2. Step 2: Convert to fraction form
    97,729.31/146,578.80 = 37,749.17/x
  3. Step 3: Cross multiply
    97,729.31x = 146,578.80 × 37,749.17
  4. Step 4: Simplify right side
    97,729.31x = 5,533,228,039.60
  5. Step 5: Solve for x
    x = 5,533,228,039.60/97,729.31
  6. Step 6: Final answer
    x = 56,617.90

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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.