Home / 197,687.94-272,828.89-112,817.76

Finding the Fourth Proportional to 197,687.94, 272,828.89 and 112,817.76

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Solution

The fourth proportional to 197,687.94, 272,828.89 and 112,817.76 is: 155,699.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,687.94 : 272,828.89 = 112,817.76 : x
  2. Step 2: Convert to fraction form
    197,687.94/272,828.89 = 112,817.76/x
  3. Step 3: Cross multiply
    197,687.94x = 272,828.89 × 112,817.76
  4. Step 4: Simplify right side
    197,687.94x = 30,779,944,233.09
  5. Step 5: Solve for x
    x = 30,779,944,233.09/197,687.94
  6. Step 6: Final answer
    x = 155,699.66

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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.