Home / 170,047.20-255,062.70-57,716.40

Finding the Fourth Proportional to 170,047.20, 255,062.70 and 57,716.40

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Solution

The fourth proportional to 170,047.20, 255,062.70 and 57,716.40 is: 86,571.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,047.20 : 255,062.70 = 57,716.40 : x
  2. Step 2: Convert to fraction form
    170,047.20/255,062.70 = 57,716.40/x
  3. Step 3: Cross multiply
    170,047.20x = 255,062.70 × 57,716.40
  4. Step 4: Simplify right side
    170,047.20x = 14,721,300,818.28
  5. Step 5: Solve for x
    x = 14,721,300,818.28/170,047.20
  6. Step 6: Final answer
    x = 86,571.85

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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.