Home / 197,384.12-272,389.60-111,342.84

Finding the Fourth Proportional to 197,384.12, 272,389.60 and 111,342.84

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Solution

The fourth proportional to 197,384.12, 272,389.60 and 111,342.84 is: 153,652.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,384.12 : 272,389.60 = 111,342.84 : x
  2. Step 2: Convert to fraction form
    197,384.12/272,389.60 = 111,342.84/x
  3. Step 3: Cross multiply
    197,384.12x = 272,389.60 × 111,342.84
  4. Step 4: Simplify right side
    197,384.12x = 30,328,631,650.46
  5. Step 5: Solve for x
    x = 30,328,631,650.46/197,384.12
  6. Step 6: Final answer
    x = 153,652.85

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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.