Home / 170,611.04-255,917.60-75,818.95

Finding the Fourth Proportional to 170,611.04, 255,917.60 and 75,818.95

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Solution

The fourth proportional to 170,611.04, 255,917.60 and 75,818.95 is: 113,728.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,611.04 : 255,917.60 = 75,818.95 : x
  2. Step 2: Convert to fraction form
    170,611.04/255,917.60 = 75,818.95/x
  3. Step 3: Cross multiply
    170,611.04x = 255,917.60 × 75,818.95
  4. Step 4: Simplify right side
    170,611.04x = 19,403,403,718.52
  5. Step 5: Solve for x
    x = 19,403,403,718.52/170,611.04
  6. Step 6: Final answer
    x = 113,728.89

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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.