Home / 142,668.24-213,673.38-102,437.47

Finding the Fourth Proportional to 142,668.24, 213,673.38 and 102,437.47

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Solution

The fourth proportional to 142,668.24, 213,673.38 and 102,437.47 is: 153,419.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,668.24 : 213,673.38 = 102,437.47 : x
  2. Step 2: Convert to fraction form
    142,668.24/213,673.38 = 102,437.47/x
  3. Step 3: Cross multiply
    142,668.24x = 213,673.38 × 102,437.47
  4. Step 4: Simplify right side
    142,668.24x = 21,888,160,453.55
  5. Step 5: Solve for x
    x = 21,888,160,453.55/142,668.24
  6. Step 6: Final answer
    x = 153,419.99

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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.