Home / 107,434.40-161,017.20-54,864.80

Finding the Fourth Proportional to 107,434.40, 161,017.20 and 54,864.80

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Solution

The fourth proportional to 107,434.40, 161,017.20 and 54,864.80 is: 82,228.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,434.40 : 161,017.20 = 54,864.80 : x
  2. Step 2: Convert to fraction form
    107,434.40/161,017.20 = 54,864.80/x
  3. Step 3: Cross multiply
    107,434.40x = 161,017.20 × 54,864.80
  4. Step 4: Simplify right side
    107,434.40x = 8,834,176,474.56
  5. Step 5: Solve for x
    x = 8,834,176,474.56/107,434.40
  6. Step 6: Final answer
    x = 82,228.56

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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.