Home / 135,967.04-203,929.46-69,456.32

Finding the Fourth Proportional to 135,967.04, 203,929.46 and 69,456.32

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Solution

The fourth proportional to 135,967.04, 203,929.46 and 69,456.32 is: 104,173.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,967.04 : 203,929.46 = 69,456.32 : x
  2. Step 2: Convert to fraction form
    135,967.04/203,929.46 = 69,456.32/x
  3. Step 3: Cross multiply
    135,967.04x = 203,929.46 × 69,456.32
  4. Step 4: Simplify right side
    135,967.04x = 14,164,188,985.18
  5. Step 5: Solve for x
    x = 14,164,188,985.18/135,967.04
  6. Step 6: Final answer
    x = 104,173.70

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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.