Home / 149,022.70-223,534.05-139,108.30

Finding the Fourth Proportional to 149,022.70, 223,534.05 and 139,108.30

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Solution

The fourth proportional to 149,022.70, 223,534.05 and 139,108.30 is: 208,662.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,022.70 : 223,534.05 = 139,108.30 : x
  2. Step 2: Convert to fraction form
    149,022.70/223,534.05 = 139,108.30/x
  3. Step 3: Cross multiply
    149,022.70x = 223,534.05 × 139,108.30
  4. Step 4: Simplify right side
    149,022.70x = 31,095,441,687.62
  5. Step 5: Solve for x
    x = 31,095,441,687.62/149,022.70
  6. Step 6: Final answer
    x = 208,662.45

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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.