Home / 225,579.98-311,279.66-130,068.22

Finding the Fourth Proportional to 225,579.98, 311,279.66 and 130,068.22

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Solution

The fourth proportional to 225,579.98, 311,279.66 and 130,068.22 is: 179,482.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,579.98 : 311,279.66 = 130,068.22 : x
  2. Step 2: Convert to fraction form
    225,579.98/311,279.66 = 130,068.22/x
  3. Step 3: Cross multiply
    225,579.98x = 311,279.66 × 130,068.22
  4. Step 4: Simplify right side
    225,579.98x = 40,487,591,672.90
  5. Step 5: Solve for x
    x = 40,487,591,672.90/225,579.98
  6. Step 6: Final answer
    x = 179,482.21

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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.