Home / 102,626.20-153,939.30-36,141.40

Finding the Fourth Proportional to 102,626.20, 153,939.30 and 36,141.40

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Solution

The fourth proportional to 102,626.20, 153,939.30 and 36,141.40 is: 54,212.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,626.20 : 153,939.30 = 36,141.40 : x
  2. Step 2: Convert to fraction form
    102,626.20/153,939.30 = 36,141.40/x
  3. Step 3: Cross multiply
    102,626.20x = 153,939.30 × 36,141.40
  4. Step 4: Simplify right side
    102,626.20x = 5,563,581,817.02
  5. Step 5: Solve for x
    x = 5,563,581,817.02/102,626.20
  6. Step 6: Final answer
    x = 54,212.10

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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.