Home / 144,836.17-199,873.65-81,173.95

Finding the Fourth Proportional to 144,836.17, 199,873.65 and 81,173.95

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Solution

The fourth proportional to 144,836.17, 199,873.65 and 81,173.95 is: 112,019.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,836.17 : 199,873.65 = 81,173.95 : x
  2. Step 2: Convert to fraction form
    144,836.17/199,873.65 = 81,173.95/x
  3. Step 3: Cross multiply
    144,836.17x = 199,873.65 × 81,173.95
  4. Step 4: Simplify right side
    144,836.17x = 16,224,533,671.42
  5. Step 5: Solve for x
    x = 16,224,533,671.42/144,836.17
  6. Step 6: Final answer
    x = 112,019.90

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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.