Home / 402,679.14-604,004.73-103,162.20

Finding the Fourth Proportional to 402,679.14, 604,004.73 and 103,162.20

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Solution

The fourth proportional to 402,679.14, 604,004.73 and 103,162.20 is: 154,739.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,679.14 : 604,004.73 = 103,162.20 : x
  2. Step 2: Convert to fraction form
    402,679.14/604,004.73 = 103,162.20/x
  3. Step 3: Cross multiply
    402,679.14x = 604,004.73 × 103,162.20
  4. Step 4: Simplify right side
    402,679.14x = 62,310,456,757.21
  5. Step 5: Solve for x
    x = 62,310,456,757.21/402,679.14
  6. Step 6: Final answer
    x = 154,739.72

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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.