Home / 240,122.86-331,365-132,690.58

Finding the Fourth Proportional to 240,122.86, 331,365 and 132,690.58

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Solution

The fourth proportional to 240,122.86, 331,365 and 132,690.58 is: 183,110.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,122.86 : 331,365 = 132,690.58 : x
  2. Step 2: Convert to fraction form
    240,122.86/331,365 = 132,690.58/x
  3. Step 3: Cross multiply
    240,122.86x = 331,365 × 132,690.58
  4. Step 4: Simplify right side
    240,122.86x = 43,969,014,041.70
  5. Step 5: Solve for x
    x = 43,969,014,041.70/240,122.86
  6. Step 6: Final answer
    x = 183,110.49

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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.