Home / 170,143.74-255,196.15-45,494.46

Finding the Fourth Proportional to 170,143.74, 255,196.15 and 45,494.46

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Solution

The fourth proportional to 170,143.74, 255,196.15 and 45,494.46 is: 68,236.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,143.74 : 255,196.15 = 45,494.46 : x
  2. Step 2: Convert to fraction form
    170,143.74/255,196.15 = 45,494.46/x
  3. Step 3: Cross multiply
    170,143.74x = 255,196.15 × 45,494.46
  4. Step 4: Simplify right side
    170,143.74x = 11,610,009,534.88
  5. Step 5: Solve for x
    x = 11,610,009,534.88/170,143.74
  6. Step 6: Final answer
    x = 68,236.48

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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.