Home / 151,945.90-209,692.67-91,535.49

Finding the Fourth Proportional to 151,945.90, 209,692.67 and 91,535.49

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Solution

The fourth proportional to 151,945.90, 209,692.67 and 91,535.49 is: 126,323.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,945.90 : 209,692.67 = 91,535.49 : x
  2. Step 2: Convert to fraction form
    151,945.90/209,692.67 = 91,535.49/x
  3. Step 3: Cross multiply
    151,945.90x = 209,692.67 × 91,535.49
  4. Step 4: Simplify right side
    151,945.90x = 19,194,320,840.18
  5. Step 5: Solve for x
    x = 19,194,320,840.18/151,945.90
  6. Step 6: Final answer
    x = 126,323.39

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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.