Home / 146,007.29-201,490.04-78,939.29

Finding the Fourth Proportional to 146,007.29, 201,490.04 and 78,939.29

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Solution

The fourth proportional to 146,007.29, 201,490.04 and 78,939.29 is: 108,936.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,007.29 : 201,490.04 = 78,939.29 : x
  2. Step 2: Convert to fraction form
    146,007.29/201,490.04 = 78,939.29/x
  3. Step 3: Cross multiply
    146,007.29x = 201,490.04 × 78,939.29
  4. Step 4: Simplify right side
    146,007.29x = 15,905,481,400.74
  5. Step 5: Solve for x
    x = 15,905,481,400.74/146,007.29
  6. Step 6: Final answer
    x = 108,936.21

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1.5x scale

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.