Home / 197,156.24-272,075.28-112,273.28

Finding the Fourth Proportional to 197,156.24, 272,075.28 and 112,273.28

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Solution

The fourth proportional to 197,156.24, 272,075.28 and 112,273.28 is: 154,936.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,156.24 : 272,075.28 = 112,273.28 : x
  2. Step 2: Convert to fraction form
    197,156.24/272,075.28 = 112,273.28/x
  3. Step 3: Cross multiply
    197,156.24x = 272,075.28 × 112,273.28
  4. Step 4: Simplify right side
    197,156.24x = 30,546,784,092.52
  5. Step 5: Solve for x
    x = 30,546,784,092.52/197,156.24
  6. Step 6: Final answer
    x = 154,936.94

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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.