Home / 171,742.36-257,645.22-53,406.04

Finding the Fourth Proportional to 171,742.36, 257,645.22 and 53,406.04

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Solution

The fourth proportional to 171,742.36, 257,645.22 and 53,406.04 is: 80,118.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,742.36 : 257,645.22 = 53,406.04 : x
  2. Step 2: Convert to fraction form
    171,742.36/257,645.22 = 53,406.04/x
  3. Step 3: Cross multiply
    171,742.36x = 257,645.22 × 53,406.04
  4. Step 4: Simplify right side
    171,742.36x = 13,759,810,925.13
  5. Step 5: Solve for x
    x = 13,759,810,925.13/171,742.36
  6. Step 6: Final answer
    x = 80,118.91

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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.