Home / 144,929.66-200,002.95-81,267.48

Finding the Fourth Proportional to 144,929.66, 200,002.95 and 81,267.48

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Solution

The fourth proportional to 144,929.66, 200,002.95 and 81,267.48 is: 112,149.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,929.66 : 200,002.95 = 81,267.48 : x
  2. Step 2: Convert to fraction form
    144,929.66/200,002.95 = 81,267.48/x
  3. Step 3: Cross multiply
    144,929.66x = 200,002.95 × 81,267.48
  4. Step 4: Simplify right side
    144,929.66x = 16,253,735,739.07
  5. Step 5: Solve for x
    x = 16,253,735,739.07/144,929.66
  6. Step 6: Final answer
    x = 112,149.14

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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.