Home / 170,139.16-255,208.73-51,810.51

Finding the Fourth Proportional to 170,139.16, 255,208.73 and 51,810.51

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Solution

The fourth proportional to 170,139.16, 255,208.73 and 51,810.51 is: 77,715.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,139.16 : 255,208.73 = 51,810.51 : x
  2. Step 2: Convert to fraction form
    170,139.16/255,208.73 = 51,810.51/x
  3. Step 3: Cross multiply
    170,139.16x = 255,208.73 × 51,810.51
  4. Step 4: Simplify right side
    170,139.16x = 13,222,494,198.70
  5. Step 5: Solve for x
    x = 13,222,494,198.70/170,139.16
  6. Step 6: Final answer
    x = 77,715.76

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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.