Home / 75,389.94-113,614.39-67,902.89

Finding the Fourth Proportional to 75,389.94, 113,614.39 and 67,902.89

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Solution

The fourth proportional to 75,389.94, 113,614.39 and 67,902.89 is: 102,331.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,389.94 : 113,614.39 = 67,902.89 : x
  2. Step 2: Convert to fraction form
    75,389.94/113,614.39 = 67,902.89/x
  3. Step 3: Cross multiply
    75,389.94x = 113,614.39 × 67,902.89
  4. Step 4: Simplify right side
    75,389.94x = 7,714,745,114.81
  5. Step 5: Solve for x
    x = 7,714,745,114.81/75,389.94
  6. Step 6: Final answer
    x = 102,331.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.