Home / 268,140.42-369,943.74-151,838.04

Finding the Fourth Proportional to 268,140.42, 369,943.74 and 151,838.04

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Solution

The fourth proportional to 268,140.42, 369,943.74 and 151,838.04 is: 209,485.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,140.42 : 369,943.74 = 151,838.04 : x
  2. Step 2: Convert to fraction form
    268,140.42/369,943.74 = 151,838.04/x
  3. Step 3: Cross multiply
    268,140.42x = 369,943.74 × 151,838.04
  4. Step 4: Simplify right side
    268,140.42x = 56,171,532,391.87
  5. Step 5: Solve for x
    x = 56,171,532,391.87/268,140.42
  6. Step 6: Final answer
    x = 209,485.51

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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.