Home / 101,146.10-151,427.55-67,903.70

Finding the Fourth Proportional to 101,146.10, 151,427.55 and 67,903.70

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Solution

The fourth proportional to 101,146.10, 151,427.55 and 67,903.70 is: 101,659.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,146.10 : 151,427.55 = 67,903.70 : x
  2. Step 2: Convert to fraction form
    101,146.10/151,427.55 = 67,903.70/x
  3. Step 3: Cross multiply
    101,146.10x = 151,427.55 × 67,903.70
  4. Step 4: Simplify right side
    101,146.10x = 10,282,490,926.94
  5. Step 5: Solve for x
    x = 10,282,490,926.94/101,146.10
  6. Step 6: Final answer
    x = 101,659.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.