Home / 170,431.30-235,212.69-102,470.41

Finding the Fourth Proportional to 170,431.30, 235,212.69 and 102,470.41

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Solution

The fourth proportional to 170,431.30, 235,212.69 and 102,470.41 is: 141,419.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,431.30 : 235,212.69 = 102,470.41 : x
  2. Step 2: Convert to fraction form
    170,431.30/235,212.69 = 102,470.41/x
  3. Step 3: Cross multiply
    170,431.30x = 235,212.69 × 102,470.41
  4. Step 4: Simplify right side
    170,431.30x = 24,102,340,781.50
  5. Step 5: Solve for x
    x = 24,102,340,781.50/170,431.30
  6. Step 6: Final answer
    x = 141,419.69

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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.