Home / 151,801.49-227,397.67-139,400.39

Finding the Fourth Proportional to 151,801.49, 227,397.67 and 139,400.39

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Solution

The fourth proportional to 151,801.49, 227,397.67 and 139,400.39 is: 208,820.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,801.49 : 227,397.67 = 139,400.39 : x
  2. Step 2: Convert to fraction form
    151,801.49/227,397.67 = 139,400.39/x
  3. Step 3: Cross multiply
    151,801.49x = 227,397.67 × 139,400.39
  4. Step 4: Simplify right side
    151,801.49x = 31,699,323,883.09
  5. Step 5: Solve for x
    x = 31,699,323,883.09/151,801.49
  6. Step 6: Final answer
    x = 208,820.90

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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.