Home / 102,286.62-153,450.81-43,122.30

Finding the Fourth Proportional to 102,286.62, 153,450.81 and 43,122.30

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Solution

The fourth proportional to 102,286.62, 153,450.81 and 43,122.30 is: 64,692.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,286.62 : 153,450.81 = 43,122.30 : x
  2. Step 2: Convert to fraction form
    102,286.62/153,450.81 = 43,122.30/x
  3. Step 3: Cross multiply
    102,286.62x = 153,450.81 × 43,122.30
  4. Step 4: Simplify right side
    102,286.62x = 6,617,151,864.06
  5. Step 5: Solve for x
    x = 6,617,151,864.06/102,286.62
  6. Step 6: Final answer
    x = 64,692.25

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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.