Home / 139,486.14-209,180.73-59,520.87

Finding the Fourth Proportional to 139,486.14, 209,180.73 and 59,520.87

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Solution

The fourth proportional to 139,486.14, 209,180.73 and 59,520.87 is: 89,260.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,486.14 : 209,180.73 = 59,520.87 : x
  2. Step 2: Convert to fraction form
    139,486.14/209,180.73 = 59,520.87/x
  3. Step 3: Cross multiply
    139,486.14x = 209,180.73 × 59,520.87
  4. Step 4: Simplify right side
    139,486.14x = 12,450,619,036.84
  5. Step 5: Solve for x
    x = 12,450,619,036.84/139,486.14
  6. Step 6: Final answer
    x = 89,260.62

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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.