Home / 146,533.20-202,245.28-86,123.36

Finding the Fourth Proportional to 146,533.20, 202,245.28 and 86,123.36

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Solution

The fourth proportional to 146,533.20, 202,245.28 and 86,123.36 is: 118,867.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,533.20 : 202,245.28 = 86,123.36 : x
  2. Step 2: Convert to fraction form
    146,533.20/202,245.28 = 86,123.36/x
  3. Step 3: Cross multiply
    146,533.20x = 202,245.28 × 86,123.36
  4. Step 4: Simplify right side
    146,533.20x = 17,418,043,057.74
  5. Step 5: Solve for x
    x = 17,418,043,057.74/146,533.20
  6. Step 6: Final answer
    x = 118,867.55

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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.