Home / 197,687.19-272,827.85-112,817.01

Finding the Fourth Proportional to 197,687.19, 272,827.85 and 112,817.01

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Solution

The fourth proportional to 197,687.19, 272,827.85 and 112,817.01 is: 155,698.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,687.19 : 272,827.85 = 112,817.01 : x
  2. Step 2: Convert to fraction form
    197,687.19/272,827.85 = 112,817.01/x
  3. Step 3: Cross multiply
    197,687.19x = 272,827.85 × 112,817.01
  4. Step 4: Simplify right side
    197,687.19x = 30,779,621,199.63
  5. Step 5: Solve for x
    x = 30,779,621,199.63/197,687.19
  6. Step 6: Final answer
    x = 155,698.62

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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.