Home / 142,601.45-213,901.59-35,985.65

Finding the Fourth Proportional to 142,601.45, 213,901.59 and 35,985.65

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Solution

The fourth proportional to 142,601.45, 213,901.59 and 35,985.65 is: 53,978.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,601.45 : 213,901.59 = 35,985.65 : x
  2. Step 2: Convert to fraction form
    142,601.45/213,901.59 = 35,985.65/x
  3. Step 3: Cross multiply
    142,601.45x = 213,901.59 × 35,985.65
  4. Step 4: Simplify right side
    142,601.45x = 7,697,388,286.94
  5. Step 5: Solve for x
    x = 7,697,388,286.94/142,601.45
  6. Step 6: Final answer
    x = 53,978.33

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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.