Home / 143,030.47-197,619.38-113,045.71

Finding the Fourth Proportional to 143,030.47, 197,619.38 and 113,045.71

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Solution

The fourth proportional to 143,030.47, 197,619.38 and 113,045.71 is: 156,190.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,030.47 : 197,619.38 = 113,045.71 : x
  2. Step 2: Convert to fraction form
    143,030.47/197,619.38 = 113,045.71/x
  3. Step 3: Cross multiply
    143,030.47x = 197,619.38 × 113,045.71
  4. Step 4: Simplify right side
    143,030.47x = 22,340,022,556.63
  5. Step 5: Solve for x
    x = 22,340,022,556.63/143,030.47
  6. Step 6: Final answer
    x = 156,190.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.