Home / 135,724.77-203,554.35-56,898

Finding the Fourth Proportional to 135,724.77, 203,554.35 and 56,898

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Solution

The fourth proportional to 135,724.77, 203,554.35 and 56,898 is: 85,333.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,724.77 : 203,554.35 = 56,898 : x
  2. Step 2: Convert to fraction form
    135,724.77/203,554.35 = 56,898/x
  3. Step 3: Cross multiply
    135,724.77x = 203,554.35 × 56,898
  4. Step 4: Simplify right side
    135,724.77x = 11,581,835,406.30
  5. Step 5: Solve for x
    x = 11,581,835,406.30/135,724.77
  6. Step 6: Final answer
    x = 85,333.25

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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.