Home / 120,637.68-181,016.88-54,125.34

Finding the Fourth Proportional to 120,637.68, 181,016.88 and 54,125.34

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Solution

The fourth proportional to 120,637.68, 181,016.88 and 54,125.34 is: 81,215.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,637.68 : 181,016.88 = 54,125.34 : x
  2. Step 2: Convert to fraction form
    120,637.68/181,016.88 = 54,125.34/x
  3. Step 3: Cross multiply
    120,637.68x = 181,016.88 × 54,125.34
  4. Step 4: Simplify right side
    120,637.68x = 9,797,600,175.74
  5. Step 5: Solve for x
    x = 9,797,600,175.74/120,637.68
  6. Step 6: Final answer
    x = 81,215.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.