Home / 185,429.40-277,949.70-73,066.20

Finding the Fourth Proportional to 185,429.40, 277,949.70 and 73,066.20

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Solution

The fourth proportional to 185,429.40, 277,949.70 and 73,066.20 is: 109,522.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,429.40 : 277,949.70 = 73,066.20 : x
  2. Step 2: Convert to fraction form
    185,429.40/277,949.70 = 73,066.20/x
  3. Step 3: Cross multiply
    185,429.40x = 277,949.70 × 73,066.20
  4. Step 4: Simplify right side
    185,429.40x = 20,308,728,370.14
  5. Step 5: Solve for x
    x = 20,308,728,370.14/185,429.40
  6. Step 6: Final answer
    x = 109,522.70

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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.