Home / 139,454.55-192,448.77-75,792.35

Finding the Fourth Proportional to 139,454.55, 192,448.77 and 75,792.35

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Solution

The fourth proportional to 139,454.55, 192,448.77 and 75,792.35 is: 104,594.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,454.55 : 192,448.77 = 75,792.35 : x
  2. Step 2: Convert to fraction form
    139,454.55/192,448.77 = 75,792.35/x
  3. Step 3: Cross multiply
    139,454.55x = 192,448.77 × 75,792.35
  4. Step 4: Simplify right side
    139,454.55x = 14,586,144,532.91
  5. Step 5: Solve for x
    x = 14,586,144,532.91/139,454.55
  6. Step 6: Final answer
    x = 104,594.25

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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.