Home / 137,795.01-190,177.92-84,111.23

Finding the Fourth Proportional to 137,795.01, 190,177.92 and 84,111.23

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Solution

The fourth proportional to 137,795.01, 190,177.92 and 84,111.23 is: 116,086.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,795.01 : 190,177.92 = 84,111.23 : x
  2. Step 2: Convert to fraction form
    137,795.01/190,177.92 = 84,111.23/x
  3. Step 3: Cross multiply
    137,795.01x = 190,177.92 × 84,111.23
  4. Step 4: Simplify right side
    137,795.01x = 15,996,097,819.15
  5. Step 5: Solve for x
    x = 15,996,097,819.15/137,795.01
  6. Step 6: Final answer
    x = 116,086.19

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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.