Home / 170,148.97-255,204.01-45,499.69

Finding the Fourth Proportional to 170,148.97, 255,204.01 and 45,499.69

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Solution

The fourth proportional to 170,148.97, 255,204.01 and 45,499.69 is: 68,244.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,148.97 : 255,204.01 = 45,499.69 : x
  2. Step 2: Convert to fraction form
    170,148.97/255,204.01 = 45,499.69/x
  3. Step 3: Cross multiply
    170,148.97x = 255,204.01 × 45,499.69
  4. Step 4: Simplify right side
    170,148.97x = 11,611,703,341.76
  5. Step 5: Solve for x
    x = 11,611,703,341.76/170,148.97
  6. Step 6: Final answer
    x = 68,244.34

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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.