Home / 170,686.54-256,055.18-55,242.41

Finding the Fourth Proportional to 170,686.54, 256,055.18 and 55,242.41

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Solution

The fourth proportional to 170,686.54, 256,055.18 and 55,242.41 is: 82,871.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,686.54 : 256,055.18 = 55,242.41 : x
  2. Step 2: Convert to fraction form
    170,686.54/256,055.18 = 55,242.41/x
  3. Step 3: Cross multiply
    170,686.54x = 256,055.18 × 55,242.41
  4. Step 4: Simplify right side
    170,686.54x = 14,145,103,679.70
  5. Step 5: Solve for x
    x = 14,145,103,679.70/170,686.54
  6. Step 6: Final answer
    x = 82,871.82

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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.