Home / 151,651.94-209,278.35-83,669.51

Finding the Fourth Proportional to 151,651.94, 209,278.35 and 83,669.51

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Solution

The fourth proportional to 151,651.94, 209,278.35 and 83,669.51 is: 115,463.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,651.94 : 209,278.35 = 83,669.51 : x
  2. Step 2: Convert to fraction form
    151,651.94/209,278.35 = 83,669.51/x
  3. Step 3: Cross multiply
    151,651.94x = 209,278.35 × 83,669.51
  4. Step 4: Simplify right side
    151,651.94x = 17,510,217,521.30
  5. Step 5: Solve for x
    x = 17,510,217,521.30/151,651.94
  6. Step 6: Final answer
    x = 115,463.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.