Home / 109,253.29-163,879.93-39,181.81

Finding the Fourth Proportional to 109,253.29, 163,879.93 and 39,181.81

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Solution

The fourth proportional to 109,253.29, 163,879.93 and 39,181.81 is: 58,772.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,253.29 : 163,879.93 = 39,181.81 : x
  2. Step 2: Convert to fraction form
    109,253.29/163,879.93 = 39,181.81/x
  3. Step 3: Cross multiply
    109,253.29x = 163,879.93 × 39,181.81
  4. Step 4: Simplify right side
    109,253.29x = 6,421,112,280.07
  5. Step 5: Solve for x
    x = 6,421,112,280.07/109,253.29
  6. Step 6: Final answer
    x = 58,772.71

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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.