Home / 170,460.80-255,998.40-164,931.20

Finding the Fourth Proportional to 170,460.80, 255,998.40 and 164,931.20

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Solution

The fourth proportional to 170,460.80, 255,998.40 and 164,931.20 is: 247,694.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,460.80 : 255,998.40 = 164,931.20 : x
  2. Step 2: Convert to fraction form
    170,460.80/255,998.40 = 164,931.20/x
  3. Step 3: Cross multiply
    170,460.80x = 255,998.40 × 164,931.20
  4. Step 4: Simplify right side
    170,460.80x = 42,222,123,310.08
  5. Step 5: Solve for x
    x = 42,222,123,310.08/170,460.80
  6. Step 6: Final answer
    x = 247,694.03

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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.