Home / 146,522.69-202,190.49-81,983.36

Finding the Fourth Proportional to 146,522.69, 202,190.49 and 81,983.36

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Solution

The fourth proportional to 146,522.69, 202,190.49 and 81,983.36 is: 113,130.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,522.69 : 202,190.49 = 81,983.36 : x
  2. Step 2: Convert to fraction form
    146,522.69/202,190.49 = 81,983.36/x
  3. Step 3: Cross multiply
    146,522.69x = 202,190.49 × 81,983.36
  4. Step 4: Simplify right side
    146,522.69x = 16,576,255,730.25
  5. Step 5: Solve for x
    x = 16,576,255,730.25/146,522.69
  6. Step 6: Final answer
    x = 113,130.98

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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.