Home / 132,551.46-182,918.97-72,120.69

Finding the Fourth Proportional to 132,551.46, 182,918.97 and 72,120.69

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Solution

The fourth proportional to 132,551.46, 182,918.97 and 72,120.69 is: 99,525.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,551.46 : 182,918.97 = 72,120.69 : x
  2. Step 2: Convert to fraction form
    132,551.46/182,918.97 = 72,120.69/x
  3. Step 3: Cross multiply
    132,551.46x = 182,918.97 × 72,120.69
  4. Step 4: Simplify right side
    132,551.46x = 13,192,242,330.49
  5. Step 5: Solve for x
    x = 13,192,242,330.49/132,551.46
  6. Step 6: Final answer
    x = 99,525.44

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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.