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Finding the Fourth Proportional to 170,774.58, 255,763.32 and 134,995.71

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Solution

The fourth proportional to 170,774.58, 255,763.32 and 134,995.71 is: 202,178.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,774.58 : 255,763.32 = 134,995.71 : x
  2. Step 2: Convert to fraction form
    170,774.58/255,763.32 = 134,995.71/x
  3. Step 3: Cross multiply
    170,774.58x = 255,763.32 × 134,995.71
  4. Step 4: Simplify right side
    170,774.58x = 34,526,952,187.59
  5. Step 5: Solve for x
    x = 34,526,952,187.59/170,774.58
  6. Step 6: Final answer
    x = 202,178.52

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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.