Home / 170,736.20-255,521.10-156,739.40

Finding the Fourth Proportional to 170,736.20, 255,521.10 and 156,739.40

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Solution

The fourth proportional to 170,736.20, 255,521.10 and 156,739.40 is: 234,573.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,736.20 : 255,521.10 = 156,739.40 : x
  2. Step 2: Convert to fraction form
    170,736.20/255,521.10 = 156,739.40/x
  3. Step 3: Cross multiply
    170,736.20x = 255,521.10 × 156,739.40
  4. Step 4: Simplify right side
    170,736.20x = 40,050,223,901.34
  5. Step 5: Solve for x
    x = 40,050,223,901.34/170,736.20
  6. Step 6: Final answer
    x = 234,573.71

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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.