Home / 144,856.17-199,901.25-81,193.95

Finding the Fourth Proportional to 144,856.17, 199,901.25 and 81,193.95

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Solution

The fourth proportional to 144,856.17, 199,901.25 and 81,193.95 is: 112,047.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,856.17 : 199,901.25 = 81,193.95 : x
  2. Step 2: Convert to fraction form
    144,856.17/199,901.25 = 81,193.95/x
  3. Step 3: Cross multiply
    144,856.17x = 199,901.25 × 81,193.95
  4. Step 4: Simplify right side
    144,856.17x = 16,230,772,097.44
  5. Step 5: Solve for x
    x = 16,230,772,097.44/144,856.17
  6. Step 6: Final answer
    x = 112,047.50

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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.