Home / 136,425.28-204,636.48-53,318.56

Finding the Fourth Proportional to 136,425.28, 204,636.48 and 53,318.56

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Solution

The fourth proportional to 136,425.28, 204,636.48 and 53,318.56 is: 79,977.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,425.28 : 204,636.48 = 53,318.56 : x
  2. Step 2: Convert to fraction form
    136,425.28/204,636.48 = 53,318.56/x
  3. Step 3: Cross multiply
    136,425.28x = 204,636.48 × 53,318.56
  4. Step 4: Simplify right side
    136,425.28x = 10,910,922,437.07
  5. Step 5: Solve for x
    x = 10,910,922,437.07/136,425.28
  6. Step 6: Final answer
    x = 79,977.28

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1.5x scale

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.