Home / 197,203.36-272,136.72-112,318.24

Finding the Fourth Proportional to 197,203.36, 272,136.72 and 112,318.24

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Solution

The fourth proportional to 197,203.36, 272,136.72 and 112,318.24 is: 154,996.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,203.36 : 272,136.72 = 112,318.24 : x
  2. Step 2: Convert to fraction form
    197,203.36/272,136.72 = 112,318.24/x
  3. Step 3: Cross multiply
    197,203.36x = 272,136.72 × 112,318.24
  4. Step 4: Simplify right side
    197,203.36x = 30,565,917,429.77
  5. Step 5: Solve for x
    x = 30,565,917,429.77/197,203.36
  6. Step 6: Final answer
    x = 154,996.94

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1.5x scale

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.