Home / 132,555.21-182,924.73-78,839.04

Finding the Fourth Proportional to 132,555.21, 182,924.73 and 78,839.04

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Solution

The fourth proportional to 132,555.21, 182,924.73 and 78,839.04 is: 108,797.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,555.21 : 182,924.73 = 78,839.04 : x
  2. Step 2: Convert to fraction form
    132,555.21/182,924.73 = 78,839.04/x
  3. Step 3: Cross multiply
    132,555.21x = 182,924.73 × 78,839.04
  4. Step 4: Simplify right side
    132,555.21x = 14,421,610,105.46
  5. Step 5: Solve for x
    x = 14,421,610,105.46/132,555.21
  6. Step 6: Final answer
    x = 108,797.01

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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.