Home / 143,678.26-215,517.25-38,494.36

Finding the Fourth Proportional to 143,678.26, 215,517.25 and 38,494.36

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Solution

The fourth proportional to 143,678.26, 215,517.25 and 38,494.36 is: 57,741.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,678.26 : 215,517.25 = 38,494.36 : x
  2. Step 2: Convert to fraction form
    143,678.26/215,517.25 = 38,494.36/x
  3. Step 3: Cross multiply
    143,678.26x = 215,517.25 × 38,494.36
  4. Step 4: Simplify right side
    143,678.26x = 8,296,198,607.71
  5. Step 5: Solve for x
    x = 8,296,198,607.71/143,678.26
  6. Step 6: Final answer
    x = 57,741.50

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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.