Home / 139,464.40-192,462.04-75,802.18

Finding the Fourth Proportional to 139,464.40, 192,462.04 and 75,802.18

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Solution

The fourth proportional to 139,464.40, 192,462.04 and 75,802.18 is: 104,607.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,464.40 : 192,462.04 = 75,802.18 : x
  2. Step 2: Convert to fraction form
    139,464.40/192,462.04 = 75,802.18/x
  3. Step 3: Cross multiply
    139,464.40x = 192,462.04 × 75,802.18
  4. Step 4: Simplify right side
    139,464.40x = 14,589,042,199.25
  5. Step 5: Solve for x
    x = 14,589,042,199.25/139,464.40
  6. Step 6: Final answer
    x = 104,607.64

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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.