Home / 147,318.16-203,289.46-86,874.96

Finding the Fourth Proportional to 147,318.16, 203,289.46 and 86,874.96

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Solution

The fourth proportional to 147,318.16, 203,289.46 and 86,874.96 is: 119,881.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,318.16 : 203,289.46 = 86,874.96 : x
  2. Step 2: Convert to fraction form
    147,318.16/203,289.46 = 86,874.96/x
  3. Step 3: Cross multiply
    147,318.16x = 203,289.46 × 86,874.96
  4. Step 4: Simplify right side
    147,318.16x = 17,660,763,705.92
  5. Step 5: Solve for x
    x = 17,660,763,705.92/147,318.16
  6. Step 6: Final answer
    x = 119,881.78

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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.