Home / 158,205.44-218,228.64-104,490.56

Finding the Fourth Proportional to 158,205.44, 218,228.64 and 104,490.56

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Solution

The fourth proportional to 158,205.44, 218,228.64 and 104,490.56 is: 144,134.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,205.44 : 218,228.64 = 104,490.56 : x
  2. Step 2: Convert to fraction form
    158,205.44/218,228.64 = 104,490.56/x
  3. Step 3: Cross multiply
    158,205.44x = 218,228.64 × 104,490.56
  4. Step 4: Simplify right side
    158,205.44x = 22,802,832,801.64
  5. Step 5: Solve for x
    x = 22,802,832,801.64/158,205.44
  6. Step 6: Final answer
    x = 144,134.32

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1.5x scale

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.