Home / 132,727.56-183,161.48-72,297.50

Finding the Fourth Proportional to 132,727.56, 183,161.48 and 72,297.50

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Solution

The fourth proportional to 132,727.56, 183,161.48 and 72,297.50 is: 99,769.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,727.56 : 183,161.48 = 72,297.50 : x
  2. Step 2: Convert to fraction form
    132,727.56/183,161.48 = 72,297.50/x
  3. Step 3: Cross multiply
    132,727.56x = 183,161.48 × 72,297.50
  4. Step 4: Simplify right side
    132,727.56x = 13,242,117,100.30
  5. Step 5: Solve for x
    x = 13,242,117,100.30/132,727.56
  6. Step 6: Final answer
    x = 99,769.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.