Home / 142,343.49-213,537.38-47,544.33

Finding the Fourth Proportional to 142,343.49, 213,537.38 and 47,544.33

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Solution

The fourth proportional to 142,343.49, 213,537.38 and 47,544.33 is: 71,323.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,343.49 : 213,537.38 = 47,544.33 : x
  2. Step 2: Convert to fraction form
    142,343.49/213,537.38 = 47,544.33/x
  3. Step 3: Cross multiply
    142,343.49x = 213,537.38 × 47,544.33
  4. Step 4: Simplify right side
    142,343.49x = 10,152,491,662.06
  5. Step 5: Solve for x
    x = 10,152,491,662.06/142,343.49
  6. Step 6: Final answer
    x = 71,323.89

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1.5x scale

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.