Home / 107,938.82-161,810.20-37,779.86

Finding the Fourth Proportional to 107,938.82, 161,810.20 and 37,779.86

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Solution

The fourth proportional to 107,938.82, 161,810.20 and 37,779.86 is: 56,635.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,938.82 : 161,810.20 = 37,779.86 : x
  2. Step 2: Convert to fraction form
    107,938.82/161,810.20 = 37,779.86/x
  3. Step 3: Cross multiply
    107,938.82x = 161,810.20 × 37,779.86
  4. Step 4: Simplify right side
    107,938.82x = 6,113,166,702.57
  5. Step 5: Solve for x
    x = 6,113,166,702.57/107,938.82
  6. Step 6: Final answer
    x = 56,635.48

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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.