Home / 171,039.15-256,558.73-166,118.40

Finding the Fourth Proportional to 171,039.15, 256,558.73 and 166,118.40

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Solution

The fourth proportional to 171,039.15, 256,558.73 and 166,118.40 is: 249,177.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,039.15 : 256,558.73 = 166,118.40 : x
  2. Step 2: Convert to fraction form
    171,039.15/256,558.73 = 166,118.40/x
  3. Step 3: Cross multiply
    171,039.15x = 256,558.73 × 166,118.40
  4. Step 4: Simplify right side
    171,039.15x = 42,619,125,733.63
  5. Step 5: Solve for x
    x = 42,619,125,733.63/171,039.15
  6. Step 6: Final answer
    x = 249,177.60

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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.