Home / 97,210.72-145,906.80-49,861.36

Finding the Fourth Proportional to 97,210.72, 145,906.80 and 49,861.36

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Solution

The fourth proportional to 97,210.72, 145,906.80 and 49,861.36 is: 74,838.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,210.72 : 145,906.80 = 49,861.36 : x
  2. Step 2: Convert to fraction form
    97,210.72/145,906.80 = 49,861.36/x
  3. Step 3: Cross multiply
    97,210.72x = 145,906.80 × 49,861.36
  4. Step 4: Simplify right side
    97,210.72x = 7,275,111,481.25
  5. Step 5: Solve for x
    x = 7,275,111,481.25/97,210.72
  6. Step 6: Final answer
    x = 74,838.57

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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.