Home / 146,108.09-201,638.07-81,577.24

Finding the Fourth Proportional to 146,108.09, 201,638.07 and 81,577.24

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Solution

The fourth proportional to 146,108.09, 201,638.07 and 81,577.24 is: 112,581.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,108.09 : 201,638.07 = 81,577.24 : x
  2. Step 2: Convert to fraction form
    146,108.09/201,638.07 = 81,577.24/x
  3. Step 3: Cross multiply
    146,108.09x = 201,638.07 × 81,577.24
  4. Step 4: Simplify right side
    146,108.09x = 16,449,076,227.59
  5. Step 5: Solve for x
    x = 16,449,076,227.59/146,108.09
  6. Step 6: Final answer
    x = 112,581.56

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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.