Home / 146,788.10-202,564.13-86,362.64

Finding the Fourth Proportional to 146,788.10, 202,564.13 and 86,362.64

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Solution

The fourth proportional to 146,788.10, 202,564.13 and 86,362.64 is: 119,178.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,788.10 : 202,564.13 = 86,362.64 : x
  2. Step 2: Convert to fraction form
    146,788.10/202,564.13 = 86,362.64/x
  3. Step 3: Cross multiply
    146,788.10x = 202,564.13 × 86,362.64
  4. Step 4: Simplify right side
    146,788.10x = 17,493,971,591.47
  5. Step 5: Solve for x
    x = 17,493,971,591.47/146,788.10
  6. Step 6: Final answer
    x = 119,178.41

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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.