Home / 155,424.60-214,486.26-91,766.46

Finding the Fourth Proportional to 155,424.60, 214,486.26 and 91,766.46

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Solution

The fourth proportional to 155,424.60, 214,486.26 and 91,766.46 is: 126,637.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,424.60 : 214,486.26 = 91,766.46 : x
  2. Step 2: Convert to fraction form
    155,424.60/214,486.26 = 91,766.46/x
  3. Step 3: Cross multiply
    155,424.60x = 214,486.26 × 91,766.46
  4. Step 4: Simplify right side
    155,424.60x = 19,682,644,798.84
  5. Step 5: Solve for x
    x = 19,682,644,798.84/155,424.60
  6. Step 6: Final answer
    x = 126,637.90

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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.