Home / 170,431.20-255,364.26-103,669.36

Finding the Fourth Proportional to 170,431.20, 255,364.26 and 103,669.36

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Solution

The fourth proportional to 170,431.20, 255,364.26 and 103,669.36 is: 155,332.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,431.20 : 255,364.26 = 103,669.36 : x
  2. Step 2: Convert to fraction form
    170,431.20/255,364.26 = 103,669.36/x
  3. Step 3: Cross multiply
    170,431.20x = 255,364.26 × 103,669.36
  4. Step 4: Simplify right side
    170,431.20x = 26,473,449,401.07
  5. Step 5: Solve for x
    x = 26,473,449,401.07/170,431.20
  6. Step 6: Final answer
    x = 155,332.18

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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.