Home / 223,127.17-307,906.36-121,148.68

Finding the Fourth Proportional to 223,127.17, 307,906.36 and 121,148.68

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Solution

The fourth proportional to 223,127.17, 307,906.36 and 121,148.68 is: 167,180.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,127.17 : 307,906.36 = 121,148.68 : x
  2. Step 2: Convert to fraction form
    223,127.17/307,906.36 = 121,148.68/x
  3. Step 3: Cross multiply
    223,127.17x = 307,906.36 × 121,148.68
  4. Step 4: Simplify right side
    223,127.17x = 37,302,449,077.60
  5. Step 5: Solve for x
    x = 37,302,449,077.60/223,127.17
  6. Step 6: Final answer
    x = 167,180.22

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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.