Home / 194,248.40-268,138.12-151,820.72

Finding the Fourth Proportional to 194,248.40, 268,138.12 and 151,820.72

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Solution

The fourth proportional to 194,248.40, 268,138.12 and 151,820.72 is: 209,571.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,248.40 : 268,138.12 = 151,820.72 : x
  2. Step 2: Convert to fraction form
    194,248.40/268,138.12 = 151,820.72/x
  3. Step 3: Cross multiply
    194,248.40x = 268,138.12 × 151,820.72
  4. Step 4: Simplify right side
    194,248.40x = 40,708,922,437.85
  5. Step 5: Solve for x
    x = 40,708,922,437.85/194,248.40
  6. Step 6: Final answer
    x = 209,571.47

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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.