Home / 161,901.45-242,850.56-90,823.95

Finding the Fourth Proportional to 161,901.45, 242,850.56 and 90,823.95

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Solution

The fourth proportional to 161,901.45, 242,850.56 and 90,823.95 is: 136,235.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,901.45 : 242,850.56 = 90,823.95 : x
  2. Step 2: Convert to fraction form
    161,901.45/242,850.56 = 90,823.95/x
  3. Step 3: Cross multiply
    161,901.45x = 242,850.56 × 90,823.95
  4. Step 4: Simplify right side
    161,901.45x = 22,056,646,664.79
  5. Step 5: Solve for x
    x = 22,056,646,664.79/161,901.45
  6. Step 6: Final answer
    x = 136,235.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.