Home / 282,189.10-423,279-113,705.32

Finding the Fourth Proportional to 282,189.10, 423,279 and 113,705.32

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Solution

The fourth proportional to 282,189.10, 423,279 and 113,705.32 is: 170,556.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,189.10 : 423,279 = 113,705.32 : x
  2. Step 2: Convert to fraction form
    282,189.10/423,279 = 113,705.32/x
  3. Step 3: Cross multiply
    282,189.10x = 423,279 × 113,705.32
  4. Step 4: Simplify right side
    282,189.10x = 48,129,074,144.28
  5. Step 5: Solve for x
    x = 48,129,074,144.28/282,189.10
  6. Step 6: Final answer
    x = 170,556.11

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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.