Home / 170,657.16-255,956.58-45,969

Finding the Fourth Proportional to 170,657.16, 255,956.58 and 45,969

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Solution

The fourth proportional to 170,657.16, 255,956.58 and 45,969 is: 68,945.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,657.16 : 255,956.58 = 45,969 : x
  2. Step 2: Convert to fraction form
    170,657.16/255,956.58 = 45,969/x
  3. Step 3: Cross multiply
    170,657.16x = 255,956.58 × 45,969
  4. Step 4: Simplify right side
    170,657.16x = 11,766,068,026.02
  5. Step 5: Solve for x
    x = 11,766,068,026.02/170,657.16
  6. Step 6: Final answer
    x = 68,945.65

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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.