Home / 144,898.62-199,940.67-81,237.66

Finding the Fourth Proportional to 144,898.62, 199,940.67 and 81,237.66

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Solution

The fourth proportional to 144,898.62, 199,940.67 and 81,237.66 is: 112,097.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,898.62 : 199,940.67 = 81,237.66 : x
  2. Step 2: Convert to fraction form
    144,898.62/199,940.67 = 81,237.66/x
  3. Step 3: Cross multiply
    144,898.62x = 199,940.67 × 81,237.66
  4. Step 4: Simplify right side
    144,898.62x = 16,242,712,169.63
  5. Step 5: Solve for x
    x = 16,242,712,169.63/144,898.62
  6. Step 6: Final answer
    x = 112,097.08

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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.