Home / 146,908.49-202,779.86-83,288.66

Finding the Fourth Proportional to 146,908.49, 202,779.86 and 83,288.66

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Solution

The fourth proportional to 146,908.49, 202,779.86 and 83,288.66 is: 114,964.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,908.49 : 202,779.86 = 83,288.66 : x
  2. Step 2: Convert to fraction form
    146,908.49/202,779.86 = 83,288.66/x
  3. Step 3: Cross multiply
    146,908.49x = 202,779.86 × 83,288.66
  4. Step 4: Simplify right side
    146,908.49x = 16,889,261,384.05
  5. Step 5: Solve for x
    x = 16,889,261,384.05/146,908.49
  6. Step 6: Final answer
    x = 114,964.51

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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.