Home / 169,142.79-253,400.97-84,804.51

Finding the Fourth Proportional to 169,142.79, 253,400.97 and 84,804.51

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Solution

The fourth proportional to 169,142.79, 253,400.97 and 84,804.51 is: 127,049.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,142.79 : 253,400.97 = 84,804.51 : x
  2. Step 2: Convert to fraction form
    169,142.79/253,400.97 = 84,804.51/x
  3. Step 3: Cross multiply
    169,142.79x = 253,400.97 × 84,804.51
  4. Step 4: Simplify right side
    169,142.79x = 21,489,545,094.37
  5. Step 5: Solve for x
    x = 21,489,545,094.37/169,142.79
  6. Step 6: Final answer
    x = 127,049.73

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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.