Home / 109,834.08-164,751.12-39,711.84

Finding the Fourth Proportional to 109,834.08, 164,751.12 and 39,711.84

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Solution

The fourth proportional to 109,834.08, 164,751.12 and 39,711.84 is: 59,567.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,834.08 : 164,751.12 = 39,711.84 : x
  2. Step 2: Convert to fraction form
    109,834.08/164,751.12 = 39,711.84/x
  3. Step 3: Cross multiply
    109,834.08x = 164,751.12 × 39,711.84
  4. Step 4: Simplify right side
    109,834.08x = 6,542,570,117.26
  5. Step 5: Solve for x
    x = 6,542,570,117.26/109,834.08
  6. Step 6: Final answer
    x = 59,567.76

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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.