Home / 233,128.98-321,717.47-131,154.48

Finding the Fourth Proportional to 233,128.98, 321,717.47 and 131,154.48

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Solution

The fourth proportional to 233,128.98, 321,717.47 and 131,154.48 is: 180,992.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,128.98 : 321,717.47 = 131,154.48 : x
  2. Step 2: Convert to fraction form
    233,128.98/321,717.47 = 131,154.48/x
  3. Step 3: Cross multiply
    233,128.98x = 321,717.47 × 131,154.48
  4. Step 4: Simplify right side
    233,128.98x = 42,194,686,828.99
  5. Step 5: Solve for x
    x = 42,194,686,828.99/233,128.98
  6. Step 6: Final answer
    x = 180,992.89

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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.