Home / 135,554.40-203,292.72-52,428.96

Finding the Fourth Proportional to 135,554.40, 203,292.72 and 52,428.96

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Solution

The fourth proportional to 135,554.40, 203,292.72 and 52,428.96 is: 78,628.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,554.40 : 203,292.72 = 52,428.96 : x
  2. Step 2: Convert to fraction form
    135,554.40/203,292.72 = 52,428.96/x
  3. Step 3: Cross multiply
    135,554.40x = 203,292.72 × 52,428.96
  4. Step 4: Simplify right side
    135,554.40x = 10,658,425,885.17
  5. Step 5: Solve for x
    x = 10,658,425,885.17/135,554.40
  6. Step 6: Final answer
    x = 78,628.40

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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.