Home / 143,573.26-215,390.66-43,741.50

Finding the Fourth Proportional to 143,573.26, 215,390.66 and 43,741.50

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Solution

The fourth proportional to 143,573.26, 215,390.66 and 43,741.50 is: 65,621.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,573.26 : 215,390.66 = 43,741.50 : x
  2. Step 2: Convert to fraction form
    143,573.26/215,390.66 = 43,741.50/x
  3. Step 3: Cross multiply
    143,573.26x = 215,390.66 × 43,741.50
  4. Step 4: Simplify right side
    143,573.26x = 9,421,509,258.73
  5. Step 5: Solve for x
    x = 9,421,509,258.73/143,573.26
  6. Step 6: Final answer
    x = 65,621.62

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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.