Home / 170,315.30-255,314.09-57,918.71

Finding the Fourth Proportional to 170,315.30, 255,314.09 and 57,918.71

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Solution

The fourth proportional to 170,315.30, 255,314.09 and 57,918.71 is: 86,824.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,315.30 : 255,314.09 = 57,918.71 : x
  2. Step 2: Convert to fraction form
    170,315.30/255,314.09 = 57,918.71/x
  3. Step 3: Cross multiply
    170,315.30x = 255,314.09 × 57,918.71
  4. Step 4: Simplify right side
    170,315.30x = 14,787,461,605.85
  5. Step 5: Solve for x
    x = 14,787,461,605.85/170,315.30
  6. Step 6: Final answer
    x = 86,824.04

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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.