Home / 144,664.30-199,503.54-99,262.18

Finding the Fourth Proportional to 144,664.30, 199,503.54 and 99,262.18

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Solution

The fourth proportional to 144,664.30, 199,503.54 and 99,262.18 is: 136,890.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,664.30 : 199,503.54 = 99,262.18 : x
  2. Step 2: Convert to fraction form
    144,664.30/199,503.54 = 99,262.18/x
  3. Step 3: Cross multiply
    144,664.30x = 199,503.54 × 99,262.18
  4. Step 4: Simplify right side
    144,664.30x = 19,803,156,298.12
  5. Step 5: Solve for x
    x = 19,803,156,298.12/144,664.30
  6. Step 6: Final answer
    x = 136,890.42

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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.