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Finding the Fourth Proportional to 152,242.80, 228,169.80 and 117,007.80

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Solution

The fourth proportional to 152,242.80, 228,169.80 and 117,007.80 is: 175,362.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,242.80 : 228,169.80 = 117,007.80 : x
  2. Step 2: Convert to fraction form
    152,242.80/228,169.80 = 117,007.80/x
  3. Step 3: Cross multiply
    152,242.80x = 228,169.80 × 117,007.80
  4. Step 4: Simplify right side
    152,242.80x = 26,697,646,324.44
  5. Step 5: Solve for x
    x = 26,697,646,324.44/152,242.80
  6. Step 6: Final answer
    x = 175,362.29

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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.