Home / 151,427.73-208,967.39-83,450.98

Finding the Fourth Proportional to 151,427.73, 208,967.39 and 83,450.98

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Solution

The fourth proportional to 151,427.73, 208,967.39 and 83,450.98 is: 115,160.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,427.73 : 208,967.39 = 83,450.98 : x
  2. Step 2: Convert to fraction form
    151,427.73/208,967.39 = 83,450.98/x
  3. Step 3: Cross multiply
    151,427.73x = 208,967.39 × 83,450.98
  4. Step 4: Simplify right side
    151,427.73x = 17,438,534,697.57
  5. Step 5: Solve for x
    x = 17,438,534,697.57/151,427.73
  6. Step 6: Final answer
    x = 115,160.78

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1.5x scale

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.