Home / 147,444.72-203,453.13-82,905

Finding the Fourth Proportional to 147,444.72, 203,453.13 and 82,905

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Solution

The fourth proportional to 147,444.72, 203,453.13 and 82,905 is: 114,397.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,444.72 : 203,453.13 = 82,905 : x
  2. Step 2: Convert to fraction form
    147,444.72/203,453.13 = 82,905/x
  3. Step 3: Cross multiply
    147,444.72x = 203,453.13 × 82,905
  4. Step 4: Simplify right side
    147,444.72x = 16,867,281,742.65
  5. Step 5: Solve for x
    x = 16,867,281,742.65/147,444.72
  6. Step 6: Final answer
    x = 114,397.33

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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.