Home / 254,580.45-351,281.92-147,129.69

Finding the Fourth Proportional to 254,580.45, 351,281.92 and 147,129.69

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Solution

The fourth proportional to 254,580.45, 351,281.92 and 147,129.69 is: 203,016.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,580.45 : 351,281.92 = 147,129.69 : x
  2. Step 2: Convert to fraction form
    254,580.45/351,281.92 = 147,129.69/x
  3. Step 3: Cross multiply
    254,580.45x = 351,281.92 × 147,129.69
  4. Step 4: Simplify right side
    254,580.45x = 51,683,999,992.20
  5. Step 5: Solve for x
    x = 51,683,999,992.20/254,580.45
  6. Step 6: Final answer
    x = 203,016.37

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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.