Home / 139,446.56-192,437.73-75,784.35

Finding the Fourth Proportional to 139,446.56, 192,437.73 and 75,784.35

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Solution

The fourth proportional to 139,446.56, 192,437.73 and 75,784.35 is: 104,583.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,446.56 : 192,437.73 = 75,784.35 : x
  2. Step 2: Convert to fraction form
    139,446.56/192,437.73 = 75,784.35/x
  3. Step 3: Cross multiply
    139,446.56x = 192,437.73 × 75,784.35
  4. Step 4: Simplify right side
    139,446.56x = 14,583,768,283.53
  5. Step 5: Solve for x
    x = 14,583,768,283.53/139,446.56
  6. Step 6: Final answer
    x = 104,583.21

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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.