Home / 170,769.42-255,858.84-132,830.40

Finding the Fourth Proportional to 170,769.42, 255,858.84 and 132,830.40

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Solution

The fourth proportional to 170,769.42, 255,858.84 and 132,830.40 is: 199,015.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,769.42 : 255,858.84 = 132,830.40 : x
  2. Step 2: Convert to fraction form
    170,769.42/255,858.84 = 132,830.40/x
  3. Step 3: Cross multiply
    170,769.42x = 255,858.84 × 132,830.40
  4. Step 4: Simplify right side
    170,769.42x = 33,985,832,060.74
  5. Step 5: Solve for x
    x = 33,985,832,060.74/170,769.42
  6. Step 6: Final answer
    x = 199,015.91

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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.