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Finding the Fourth Proportional to 132,548.33, 182,911.21 and 72,119.21

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Solution

The fourth proportional to 132,548.33, 182,911.21 and 72,119.21 is: 99,521.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,548.33 : 182,911.21 = 72,119.21 : x
  2. Step 2: Convert to fraction form
    132,548.33/182,911.21 = 72,119.21/x
  3. Step 3: Cross multiply
    132,548.33x = 182,911.21 × 72,119.21
  4. Step 4: Simplify right side
    132,548.33x = 13,191,410,870.49
  5. Step 5: Solve for x
    x = 13,191,410,870.49/132,548.33
  6. Step 6: Final answer
    x = 99,521.52

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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.