Home / 197,426.72-272,448.92-111,403.94

Finding the Fourth Proportional to 197,426.72, 272,448.92 and 111,403.94

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Solution

The fourth proportional to 197,426.72, 272,448.92 and 111,403.94 is: 153,737.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,426.72 : 272,448.92 = 111,403.94 : x
  2. Step 2: Convert to fraction form
    197,426.72/272,448.92 = 111,403.94/x
  3. Step 3: Cross multiply
    197,426.72x = 272,448.92 × 111,403.94
  4. Step 4: Simplify right side
    197,426.72x = 30,351,883,136.74
  5. Step 5: Solve for x
    x = 30,351,883,136.74/197,426.72
  6. Step 6: Final answer
    x = 153,737.46

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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.