Home / 137,669.16-190,095.48-112,179.36

Finding the Fourth Proportional to 137,669.16, 190,095.48 and 112,179.36

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Solution

The fourth proportional to 137,669.16, 190,095.48 and 112,179.36 is: 154,898.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,669.16 : 190,095.48 = 112,179.36 : x
  2. Step 2: Convert to fraction form
    137,669.16/190,095.48 = 112,179.36/x
  3. Step 3: Cross multiply
    137,669.16x = 190,095.48 × 112,179.36
  4. Step 4: Simplify right side
    137,669.16x = 21,324,789,285.29
  5. Step 5: Solve for x
    x = 21,324,789,285.29/137,669.16
  6. Step 6: Final answer
    x = 154,898.81

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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.