Home / 142,260.14-213,421.96-53,514.38

Finding the Fourth Proportional to 142,260.14, 213,421.96 and 53,514.38

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Solution

The fourth proportional to 142,260.14, 213,421.96 and 53,514.38 is: 80,283.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,260.14 : 213,421.96 = 53,514.38 : x
  2. Step 2: Convert to fraction form
    142,260.14/213,421.96 = 53,514.38/x
  3. Step 3: Cross multiply
    142,260.14x = 213,421.96 × 53,514.38
  4. Step 4: Simplify right side
    142,260.14x = 11,421,143,867.78
  5. Step 5: Solve for x
    x = 11,421,143,867.78/142,260.14
  6. Step 6: Final answer
    x = 80,283.51

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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.