Home / 149,164.34-206,048.21-138,535.52

Finding the Fourth Proportional to 149,164.34, 206,048.21 and 138,535.52

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Solution

The fourth proportional to 149,164.34, 206,048.21 and 138,535.52 is: 191,366.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,164.34 : 206,048.21 = 138,535.52 : x
  2. Step 2: Convert to fraction form
    149,164.34/206,048.21 = 138,535.52/x
  3. Step 3: Cross multiply
    149,164.34x = 206,048.21 × 138,535.52
  4. Step 4: Simplify right side
    149,164.34x = 28,544,994,194.50
  5. Step 5: Solve for x
    x = 28,544,994,194.50/149,164.34
  6. Step 6: Final answer
    x = 191,366.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.