Home / 161,555.32-242,382.40-82,725.32

Finding the Fourth Proportional to 161,555.32, 242,382.40 and 82,725.32

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Solution

The fourth proportional to 161,555.32, 242,382.40 and 82,725.32 is: 124,113.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,555.32 : 242,382.40 = 82,725.32 : x
  2. Step 2: Convert to fraction form
    161,555.32/242,382.40 = 82,725.32/x
  3. Step 3: Cross multiply
    161,555.32x = 242,382.40 × 82,725.32
  4. Step 4: Simplify right side
    161,555.32x = 20,051,161,602.37
  5. Step 5: Solve for x
    x = 20,051,161,602.37/161,555.32
  6. Step 6: Final answer
    x = 124,113.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.