Home / 143,336.74-197,147.10-114,980.26

Finding the Fourth Proportional to 143,336.74, 197,147.10 and 114,980.26

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Solution

The fourth proportional to 143,336.74, 197,147.10 and 114,980.26 is: 158,145.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,336.74 : 197,147.10 = 114,980.26 : x
  2. Step 2: Convert to fraction form
    143,336.74/197,147.10 = 114,980.26/x
  3. Step 3: Cross multiply
    143,336.74x = 197,147.10 × 114,980.26
  4. Step 4: Simplify right side
    143,336.74x = 22,668,024,816.25
  5. Step 5: Solve for x
    x = 22,668,024,816.25/143,336.74
  6. Step 6: Final answer
    x = 158,145.25

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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.