Home / 170,635.14-255,990.06-52,315.71

Finding the Fourth Proportional to 170,635.14, 255,990.06 and 52,315.71

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Solution

The fourth proportional to 170,635.14, 255,990.06 and 52,315.71 is: 78,485.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,635.14 : 255,990.06 = 52,315.71 : x
  2. Step 2: Convert to fraction form
    170,635.14/255,990.06 = 52,315.71/x
  3. Step 3: Cross multiply
    170,635.14x = 255,990.06 × 52,315.71
  4. Step 4: Simplify right side
    170,635.14x = 13,392,301,741.84
  5. Step 5: Solve for x
    x = 13,392,301,741.84/170,635.14
  6. Step 6: Final answer
    x = 78,485.02

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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.