Home / 114,583.79-158,154.69-78,299.93

Finding the Fourth Proportional to 114,583.79, 158,154.69 and 78,299.93

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Solution

The fourth proportional to 114,583.79, 158,154.69 and 78,299.93 is: 108,073.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,583.79 : 158,154.69 = 78,299.93 : x
  2. Step 2: Convert to fraction form
    114,583.79/158,154.69 = 78,299.93/x
  3. Step 3: Cross multiply
    114,583.79x = 158,154.69 × 78,299.93
  4. Step 4: Simplify right side
    114,583.79x = 12,383,500,365.40
  5. Step 5: Solve for x
    x = 12,383,500,365.40/114,583.79
  6. Step 6: Final answer
    x = 108,073.76

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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.