Home / 151,010.70-208,382.36-88,911.32

Finding the Fourth Proportional to 151,010.70, 208,382.36 and 88,911.32

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Solution

The fourth proportional to 151,010.70, 208,382.36 and 88,911.32 is: 122,690.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,010.70 : 208,382.36 = 88,911.32 : x
  2. Step 2: Convert to fraction form
    151,010.70/208,382.36 = 88,911.32/x
  3. Step 3: Cross multiply
    151,010.70x = 208,382.36 × 88,911.32
  4. Step 4: Simplify right side
    151,010.70x = 18,527,550,692.32
  5. Step 5: Solve for x
    x = 18,527,550,692.32/151,010.70
  6. Step 6: Final answer
    x = 122,690.32

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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.