Home / 197,429.27-272,452.10-111,388.13

Finding the Fourth Proportional to 197,429.27, 272,452.10 and 111,388.13

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Solution

The fourth proportional to 197,429.27, 272,452.10 and 111,388.13 is: 153,715.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,429.27 : 272,452.10 = 111,388.13 : x
  2. Step 2: Convert to fraction form
    197,429.27/272,452.10 = 111,388.13/x
  3. Step 3: Cross multiply
    197,429.27x = 272,452.10 × 111,388.13
  4. Step 4: Simplify right side
    197,429.27x = 30,347,928,014.37
  5. Step 5: Solve for x
    x = 30,347,928,014.37/197,429.27
  6. Step 6: Final answer
    x = 153,715.45

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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.