Home / 194,146.28-268,004.53-130,520.98

Finding the Fourth Proportional to 194,146.28, 268,004.53 and 130,520.98

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Solution

The fourth proportional to 194,146.28, 268,004.53 and 130,520.98 is: 180,174.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,146.28 : 268,004.53 = 130,520.98 : x
  2. Step 2: Convert to fraction form
    194,146.28/268,004.53 = 130,520.98/x
  3. Step 3: Cross multiply
    194,146.28x = 268,004.53 × 130,520.98
  4. Step 4: Simplify right side
    194,146.28x = 34,980,213,900.04
  5. Step 5: Solve for x
    x = 34,980,213,900.04/194,146.28
  6. Step 6: Final answer
    x = 180,174.53

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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.