Home / 134,865.56-202,308-51,759.56

Finding the Fourth Proportional to 134,865.56, 202,308 and 51,759.56

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Solution

The fourth proportional to 134,865.56, 202,308 and 51,759.56 is: 77,643.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,865.56 : 202,308 = 51,759.56 : x
  2. Step 2: Convert to fraction form
    134,865.56/202,308 = 51,759.56/x
  3. Step 3: Cross multiply
    134,865.56x = 202,308 × 51,759.56
  4. Step 4: Simplify right side
    134,865.56x = 10,471,373,064.48
  5. Step 5: Solve for x
    x = 10,471,373,064.48/134,865.56
  6. Step 6: Final answer
    x = 77,643.05

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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.