Home / 170,299.06-255,185.79-107,838.34

Finding the Fourth Proportional to 170,299.06, 255,185.79 and 107,838.34

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Solution

The fourth proportional to 170,299.06, 255,185.79 and 107,838.34 is: 161,591.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,299.06 : 255,185.79 = 107,838.34 : x
  2. Step 2: Convert to fraction form
    170,299.06/255,185.79 = 107,838.34/x
  3. Step 3: Cross multiply
    170,299.06x = 255,185.79 × 107,838.34
  4. Step 4: Simplify right side
    170,299.06x = 27,518,811,985.19
  5. Step 5: Solve for x
    x = 27,518,811,985.19/170,299.06
  6. Step 6: Final answer
    x = 161,591.10

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1.5x scale

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.