Home / 197,739.61-272,904.64-111,702.22

Finding the Fourth Proportional to 197,739.61, 272,904.64 and 111,702.22

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Solution

The fourth proportional to 197,739.61, 272,904.64 and 111,702.22 is: 154,162.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,739.61 : 272,904.64 = 111,702.22 : x
  2. Step 2: Convert to fraction form
    197,739.61/272,904.64 = 111,702.22/x
  3. Step 3: Cross multiply
    197,739.61x = 272,904.64 × 111,702.22
  4. Step 4: Simplify right side
    197,739.61x = 30,484,054,136.30
  5. Step 5: Solve for x
    x = 30,484,054,136.30/197,739.61
  6. Step 6: Final answer
    x = 154,162.61

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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.