Home / 114,675.20-172,012.80-85,150.70

Finding the Fourth Proportional to 114,675.20, 172,012.80 and 85,150.70

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Solution

The fourth proportional to 114,675.20, 172,012.80 and 85,150.70 is: 127,726.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,675.20 : 172,012.80 = 85,150.70 : x
  2. Step 2: Convert to fraction form
    114,675.20/172,012.80 = 85,150.70/x
  3. Step 3: Cross multiply
    114,675.20x = 172,012.80 × 85,150.70
  4. Step 4: Simplify right side
    114,675.20x = 14,647,010,328.96
  5. Step 5: Solve for x
    x = 14,647,010,328.96/114,675.20
  6. Step 6: Final answer
    x = 127,726.05

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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.