Home / 137,929.51-206,868.31-43,145.49

Finding the Fourth Proportional to 137,929.51, 206,868.31 and 43,145.49

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Solution

The fourth proportional to 137,929.51, 206,868.31 and 43,145.49 is: 64,710.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,929.51 : 206,868.31 = 43,145.49 : x
  2. Step 2: Convert to fraction form
    137,929.51/206,868.31 = 43,145.49/x
  3. Step 3: Cross multiply
    137,929.51x = 206,868.31 × 43,145.49
  4. Step 4: Simplify right side
    137,929.51x = 8,925,435,268.31
  5. Step 5: Solve for x
    x = 8,925,435,268.31/137,929.51
  6. Step 6: Final answer
    x = 64,710.12

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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.