Home / 170,147.50-255,201.79-45,498.22

Finding the Fourth Proportional to 170,147.50, 255,201.79 and 45,498.22

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Solution

The fourth proportional to 170,147.50, 255,201.79 and 45,498.22 is: 68,242.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,147.50 : 255,201.79 = 45,498.22 : x
  2. Step 2: Convert to fraction form
    170,147.50/255,201.79 = 45,498.22/x
  3. Step 3: Cross multiply
    170,147.50x = 255,201.79 × 45,498.22
  4. Step 4: Simplify right side
    170,147.50x = 11,611,227,185.81
  5. Step 5: Solve for x
    x = 11,611,227,185.81/170,147.50
  6. Step 6: Final answer
    x = 68,242.13

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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.