Home / 149,062.56-205,837.92-101,429.70

Finding the Fourth Proportional to 149,062.56, 205,837.92 and 101,429.70

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Solution

The fourth proportional to 149,062.56, 205,837.92 and 101,429.70 is: 140,062.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,062.56 : 205,837.92 = 101,429.70 : x
  2. Step 2: Convert to fraction form
    149,062.56/205,837.92 = 101,429.70/x
  3. Step 3: Cross multiply
    149,062.56x = 205,837.92 × 101,429.70
  4. Step 4: Simplify right side
    149,062.56x = 20,878,078,474.22
  5. Step 5: Solve for x
    x = 20,878,078,474.22/149,062.56
  6. Step 6: Final answer
    x = 140,062.52

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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.