Home / 254,128.92-350,739.90-140,988.12

Finding the Fourth Proportional to 254,128.92, 350,739.90 and 140,988.12

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Solution

The fourth proportional to 254,128.92, 350,739.90 and 140,988.12 is: 194,586.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,128.92 : 350,739.90 = 140,988.12 : x
  2. Step 2: Convert to fraction form
    254,128.92/350,739.90 = 140,988.12/x
  3. Step 3: Cross multiply
    254,128.92x = 350,739.90 × 140,988.12
  4. Step 4: Simplify right side
    254,128.92x = 49,450,159,109.99
  5. Step 5: Solve for x
    x = 49,450,159,109.99/254,128.92
  6. Step 6: Final answer
    x = 194,586.90

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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.