Home / 144,302.84-199,134.48-80,652.95

Finding the Fourth Proportional to 144,302.84, 199,134.48 and 80,652.95

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Solution

The fourth proportional to 144,302.84, 199,134.48 and 80,652.95 is: 111,299.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,302.84 : 199,134.48 = 80,652.95 : x
  2. Step 2: Convert to fraction form
    144,302.84/199,134.48 = 80,652.95/x
  3. Step 3: Cross multiply
    144,302.84x = 199,134.48 × 80,652.95
  4. Step 4: Simplify right side
    144,302.84x = 16,060,781,960.60
  5. Step 5: Solve for x
    x = 16,060,781,960.60/144,302.84
  6. Step 6: Final answer
    x = 111,299.14

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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.