Home / 164,419.76-226,918.40-136,775.58

Finding the Fourth Proportional to 164,419.76, 226,918.40 and 136,775.58

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Solution

The fourth proportional to 164,419.76, 226,918.40 and 136,775.58 is: 188,766.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,419.76 : 226,918.40 = 136,775.58 : x
  2. Step 2: Convert to fraction form
    164,419.76/226,918.40 = 136,775.58/x
  3. Step 3: Cross multiply
    164,419.76x = 226,918.40 × 136,775.58
  4. Step 4: Simplify right side
    164,419.76x = 31,036,896,030.10
  5. Step 5: Solve for x
    x = 31,036,896,030.10/164,419.76
  6. Step 6: Final answer
    x = 188,766.22

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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.