Home / 135,497.34-203,370.75-68,985

Finding the Fourth Proportional to 135,497.34, 203,370.75 and 68,985

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Solution

The fourth proportional to 135,497.34, 203,370.75 and 68,985 is: 103,541.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,497.34 : 203,370.75 = 68,985 : x
  2. Step 2: Convert to fraction form
    135,497.34/203,370.75 = 68,985/x
  3. Step 3: Cross multiply
    135,497.34x = 203,370.75 × 68,985
  4. Step 4: Simplify right side
    135,497.34x = 14,029,531,188.75
  5. Step 5: Solve for x
    x = 14,029,531,188.75/135,497.34
  6. Step 6: Final answer
    x = 103,541.01

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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.