Home / 138,055.19-206,779.23-114,091.13

Finding the Fourth Proportional to 138,055.19, 206,779.23 and 114,091.13

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Solution

The fourth proportional to 138,055.19, 206,779.23 and 114,091.13 is: 170,885.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,055.19 : 206,779.23 = 114,091.13 : x
  2. Step 2: Convert to fraction form
    138,055.19/206,779.23 = 114,091.13/x
  3. Step 3: Cross multiply
    138,055.19x = 206,779.23 × 114,091.13
  4. Step 4: Simplify right side
    138,055.19x = 23,591,676,528.18
  5. Step 5: Solve for x
    x = 23,591,676,528.18/138,055.19
  6. Step 6: Final answer
    x = 170,885.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.