Home / 146,868.86-202,678.53-83,218.79

Finding the Fourth Proportional to 146,868.86, 202,678.53 and 83,218.79

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Solution

The fourth proportional to 146,868.86, 202,678.53 and 83,218.79 is: 114,841.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,868.86 : 202,678.53 = 83,218.79 : x
  2. Step 2: Convert to fraction form
    146,868.86/202,678.53 = 83,218.79/x
  3. Step 3: Cross multiply
    146,868.86x = 202,678.53 × 83,218.79
  4. Step 4: Simplify right side
    146,868.86x = 16,866,662,025.58
  5. Step 5: Solve for x
    x = 16,866,662,025.58/146,868.86
  6. Step 6: Final answer
    x = 114,841.65

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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.