Home / 219,724.61-303,252.26-139,159.58

Finding the Fourth Proportional to 219,724.61, 303,252.26 and 139,159.58

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Solution

The fourth proportional to 219,724.61, 303,252.26 and 139,159.58 is: 192,060.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,724.61 : 303,252.26 = 139,159.58 : x
  2. Step 2: Convert to fraction form
    219,724.61/303,252.26 = 139,159.58/x
  3. Step 3: Cross multiply
    219,724.61x = 303,252.26 × 139,159.58
  4. Step 4: Simplify right side
    219,724.61x = 42,200,454,923.59
  5. Step 5: Solve for x
    x = 42,200,454,923.59/219,724.61
  6. Step 6: Final answer
    x = 192,060.67

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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.