Home / 109,664.46-164,502.70-34,779.18

Finding the Fourth Proportional to 109,664.46, 164,502.70 and 34,779.18

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Solution

The fourth proportional to 109,664.46, 164,502.70 and 34,779.18 is: 52,170.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,664.46 : 164,502.70 = 34,779.18 : x
  2. Step 2: Convert to fraction form
    109,664.46/164,502.70 = 34,779.18/x
  3. Step 3: Cross multiply
    109,664.46x = 164,502.70 × 34,779.18
  4. Step 4: Simplify right side
    109,664.46x = 5,721,269,543.72
  5. Step 5: Solve for x
    x = 5,721,269,543.72/109,664.46
  6. Step 6: Final answer
    x = 52,170.68

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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.