Home / 97,339.64-146,008.54-30,779.78

Finding the Fourth Proportional to 97,339.64, 146,008.54 and 30,779.78

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Solution

The fourth proportional to 97,339.64, 146,008.54 and 30,779.78 is: 46,169.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,339.64 : 146,008.54 = 30,779.78 : x
  2. Step 2: Convert to fraction form
    97,339.64/146,008.54 = 30,779.78/x
  3. Step 3: Cross multiply
    97,339.64x = 146,008.54 × 30,779.78
  4. Step 4: Simplify right side
    97,339.64x = 4,494,110,739.32
  5. Step 5: Solve for x
    x = 4,494,110,739.32/97,339.64
  6. Step 6: Final answer
    x = 46,169.38

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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.