Home / 143,186.14-214,779.21-38,002.38

Finding the Fourth Proportional to 143,186.14, 214,779.21 and 38,002.38

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Solution

The fourth proportional to 143,186.14, 214,779.21 and 38,002.38 is: 57,003.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,186.14 : 214,779.21 = 38,002.38 : x
  2. Step 2: Convert to fraction form
    143,186.14/214,779.21 = 38,002.38/x
  3. Step 3: Cross multiply
    143,186.14x = 214,779.21 × 38,002.38
  4. Step 4: Simplify right side
    143,186.14x = 8,162,121,154.52
  5. Step 5: Solve for x
    x = 8,162,121,154.52/143,186.14
  6. Step 6: Final answer
    x = 57,003.57

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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.