Home / 440,642.07-660,961.76-125,099.19

Finding the Fourth Proportional to 440,642.07, 660,961.76 and 125,099.19

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Solution

The fourth proportional to 440,642.07, 660,961.76 and 125,099.19 is: 187,648.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,642.07 : 660,961.76 = 125,099.19 : x
  2. Step 2: Convert to fraction form
    440,642.07/660,961.76 = 125,099.19/x
  3. Step 3: Cross multiply
    440,642.07x = 660,961.76 × 125,099.19
  4. Step 4: Simplify right side
    440,642.07x = 82,685,780,171.48
  5. Step 5: Solve for x
    x = 82,685,780,171.48/440,642.07
  6. Step 6: Final answer
    x = 187,648.40

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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.