Home / 170,599.52-255,824.96-90,619.98

Finding the Fourth Proportional to 170,599.52, 255,824.96 and 90,619.98

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Solution

The fourth proportional to 170,599.52, 255,824.96 and 90,619.98 is: 135,890.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,599.52 : 255,824.96 = 90,619.98 : x
  2. Step 2: Convert to fraction form
    170,599.52/255,824.96 = 90,619.98/x
  3. Step 3: Cross multiply
    170,599.52x = 255,824.96 × 90,619.98
  4. Step 4: Simplify right side
    170,599.52x = 23,182,852,305.60
  5. Step 5: Solve for x
    x = 23,182,852,305.60/170,599.52
  6. Step 6: Final answer
    x = 135,890.49

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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.