Home / 135,122.72-202,290.31-130,005.14

Finding the Fourth Proportional to 135,122.72, 202,290.31 and 130,005.14

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Solution

The fourth proportional to 135,122.72, 202,290.31 and 130,005.14 is: 194,628.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,122.72 : 202,290.31 = 130,005.14 : x
  2. Step 2: Convert to fraction form
    135,122.72/202,290.31 = 130,005.14/x
  3. Step 3: Cross multiply
    135,122.72x = 202,290.31 × 130,005.14
  4. Step 4: Simplify right side
    135,122.72x = 26,298,779,223.25
  5. Step 5: Solve for x
    x = 26,298,779,223.25/135,122.72
  6. Step 6: Final answer
    x = 194,628.85

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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.