Home / 139,626.08-192,681.87-75,962.42

Finding the Fourth Proportional to 139,626.08, 192,681.87 and 75,962.42

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Solution

The fourth proportional to 139,626.08, 192,681.87 and 75,962.42 is: 104,826.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,626.08 : 192,681.87 = 75,962.42 : x
  2. Step 2: Convert to fraction form
    139,626.08/192,681.87 = 75,962.42/x
  3. Step 3: Cross multiply
    139,626.08x = 192,681.87 × 75,962.42
  4. Step 4: Simplify right side
    139,626.08x = 14,636,581,135.33
  5. Step 5: Solve for x
    x = 14,636,581,135.33/139,626.08
  6. Step 6: Final answer
    x = 104,826.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.