Home / 121,086.99-181,532.07-42,256.58

Finding the Fourth Proportional to 121,086.99, 181,532.07 and 42,256.58

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Solution

The fourth proportional to 121,086.99, 181,532.07 and 42,256.58 is: 63,350.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,086.99 : 181,532.07 = 42,256.58 : x
  2. Step 2: Convert to fraction form
    121,086.99/181,532.07 = 42,256.58/x
  3. Step 3: Cross multiply
    121,086.99x = 181,532.07 × 42,256.58
  4. Step 4: Simplify right side
    121,086.99x = 7,670,923,451.63
  5. Step 5: Solve for x
    x = 7,670,923,451.63/121,086.99
  6. Step 6: Final answer
    x = 63,350.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.