Home / 89,188.30-133,796.28-30,019.36

Finding the Fourth Proportional to 89,188.30, 133,796.28 and 30,019.36

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Solution

The fourth proportional to 89,188.30, 133,796.28 and 30,019.36 is: 45,033.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,188.30 : 133,796.28 = 30,019.36 : x
  2. Step 2: Convert to fraction form
    89,188.30/133,796.28 = 30,019.36/x
  3. Step 3: Cross multiply
    89,188.30x = 133,796.28 × 30,019.36
  4. Step 4: Simplify right side
    89,188.30x = 4,016,478,695.98
  5. Step 5: Solve for x
    x = 4,016,478,695.98/89,188.30
  6. Step 6: Final answer
    x = 45,033.69

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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.