Home / 135,966.29-203,928.36-69,455.57

Finding the Fourth Proportional to 135,966.29, 203,928.36 and 69,455.57

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Solution

The fourth proportional to 135,966.29, 203,928.36 and 69,455.57 is: 104,172.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,966.29 : 203,928.36 = 69,455.57 : x
  2. Step 2: Convert to fraction form
    135,966.29/203,928.36 = 69,455.57/x
  3. Step 3: Cross multiply
    135,966.29x = 203,928.36 × 69,455.57
  4. Step 4: Simplify right side
    135,966.29x = 14,163,960,482.97
  5. Step 5: Solve for x
    x = 14,163,960,482.97/135,966.29
  6. Step 6: Final answer
    x = 104,172.59

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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.