Home / 195,965.02-270,423.85-115,395.94

Finding the Fourth Proportional to 195,965.02, 270,423.85 and 115,395.94

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Solution

The fourth proportional to 195,965.02, 270,423.85 and 115,395.94 is: 159,241.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,965.02 : 270,423.85 = 115,395.94 : x
  2. Step 2: Convert to fraction form
    195,965.02/270,423.85 = 115,395.94/x
  3. Step 3: Cross multiply
    195,965.02x = 270,423.85 × 115,395.94
  4. Step 4: Simplify right side
    195,965.02x = 31,205,812,440.07
  5. Step 5: Solve for x
    x = 31,205,812,440.07/195,965.02
  6. Step 6: Final answer
    x = 159,241.75

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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.