Home / 197,742.14-272,898.15-112,871.96

Finding the Fourth Proportional to 197,742.14, 272,898.15 and 112,871.96

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Solution

The fourth proportional to 197,742.14, 272,898.15 and 112,871.96 is: 155,771.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,742.14 : 272,898.15 = 112,871.96 : x
  2. Step 2: Convert to fraction form
    197,742.14/272,898.15 = 112,871.96/x
  3. Step 3: Cross multiply
    197,742.14x = 272,898.15 × 112,871.96
  4. Step 4: Simplify right side
    197,742.14x = 30,802,549,070.87
  5. Step 5: Solve for x
    x = 30,802,549,070.87/197,742.14
  6. Step 6: Final answer
    x = 155,771.29

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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.