Home / 132,705.82-183,131.28-72,277.54

Finding the Fourth Proportional to 132,705.82, 183,131.28 and 72,277.54

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Solution

The fourth proportional to 132,705.82, 183,131.28 and 72,277.54 is: 99,741.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,705.82 : 183,131.28 = 72,277.54 : x
  2. Step 2: Convert to fraction form
    132,705.82/183,131.28 = 72,277.54/x
  3. Step 3: Cross multiply
    132,705.82x = 183,131.28 × 72,277.54
  4. Step 4: Simplify right side
    132,705.82x = 13,236,278,415.45
  5. Step 5: Solve for x
    x = 13,236,278,415.45/132,705.82
  6. Step 6: Final answer
    x = 99,741.51

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1.5x scale

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.