Home / 97,779.69-146,597.58-31,181.49

Finding the Fourth Proportional to 97,779.69, 146,597.58 and 31,181.49

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Solution

The fourth proportional to 97,779.69, 146,597.58 and 31,181.49 is: 46,749.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,779.69 : 146,597.58 = 31,181.49 : x
  2. Step 2: Convert to fraction form
    97,779.69/146,597.58 = 31,181.49/x
  3. Step 3: Cross multiply
    97,779.69x = 146,597.58 × 31,181.49
  4. Step 4: Simplify right side
    97,779.69x = 4,571,130,974.79
  5. Step 5: Solve for x
    x = 4,571,130,974.79/97,779.69
  6. Step 6: Final answer
    x = 46,749.29

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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.