Home / 151,801.74-227,398.05-139,400.64

Finding the Fourth Proportional to 151,801.74, 227,398.05 and 139,400.64

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Solution

The fourth proportional to 151,801.74, 227,398.05 and 139,400.64 is: 208,821.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,801.74 : 227,398.05 = 139,400.64 : x
  2. Step 2: Convert to fraction form
    151,801.74/227,398.05 = 139,400.64/x
  3. Step 3: Cross multiply
    151,801.74x = 227,398.05 × 139,400.64
  4. Step 4: Simplify right side
    151,801.74x = 31,699,433,704.75
  5. Step 5: Solve for x
    x = 31,699,433,704.75/151,801.74
  6. Step 6: Final answer
    x = 208,821.28

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1.5x scale

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.