Home / 175,084.38-262,708.58-86,289.45

Finding the Fourth Proportional to 175,084.38, 262,708.58 and 86,289.45

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Solution

The fourth proportional to 175,084.38, 262,708.58 and 86,289.45 is: 129,474.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,084.38 : 262,708.58 = 86,289.45 : x
  2. Step 2: Convert to fraction form
    175,084.38/262,708.58 = 86,289.45/x
  3. Step 3: Cross multiply
    175,084.38x = 262,708.58 × 86,289.45
  4. Step 4: Simplify right side
    175,084.38x = 22,668,978,447.03
  5. Step 5: Solve for x
    x = 22,668,978,447.03/175,084.38
  6. Step 6: Final answer
    x = 129,474.59

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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.