Home / 197,457.25-272,534.84-136,289.29

Finding the Fourth Proportional to 197,457.25, 272,534.84 and 136,289.29

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Solution

The fourth proportional to 197,457.25, 272,534.84 and 136,289.29 is: 188,109.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,457.25 : 272,534.84 = 136,289.29 : x
  2. Step 2: Convert to fraction form
    197,457.25/272,534.84 = 136,289.29/x
  3. Step 3: Cross multiply
    197,457.25x = 272,534.84 × 136,289.29
  4. Step 4: Simplify right side
    197,457.25x = 37,143,579,843.86
  5. Step 5: Solve for x
    x = 37,143,579,843.86/197,457.25
  6. Step 6: Final answer
    x = 188,109.48

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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.