Home / 115,244.88-159,047.46-64,250.70

Finding the Fourth Proportional to 115,244.88, 159,047.46 and 64,250.70

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Solution

The fourth proportional to 115,244.88, 159,047.46 and 64,250.70 is: 88,671.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,244.88 : 159,047.46 = 64,250.70 : x
  2. Step 2: Convert to fraction form
    115,244.88/159,047.46 = 64,250.70/x
  3. Step 3: Cross multiply
    115,244.88x = 159,047.46 × 64,250.70
  4. Step 4: Simplify right side
    115,244.88x = 10,218,910,638.22
  5. Step 5: Solve for x
    x = 10,218,910,638.22/115,244.88
  6. Step 6: Final answer
    x = 88,671.28

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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.