Home / 102,115.46-153,173.93-35,555.48

Finding the Fourth Proportional to 102,115.46, 153,173.93 and 35,555.48

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Solution

The fourth proportional to 102,115.46, 153,173.93 and 35,555.48 is: 53,333.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,115.46 : 153,173.93 = 35,555.48 : x
  2. Step 2: Convert to fraction form
    102,115.46/153,173.93 = 35,555.48/x
  3. Step 3: Cross multiply
    102,115.46x = 153,173.93 × 35,555.48
  4. Step 4: Simplify right side
    102,115.46x = 5,446,171,660.99
  5. Step 5: Solve for x
    x = 5,446,171,660.99/102,115.46
  6. Step 6: Final answer
    x = 53,333.47

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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.