Home / 161,685.81-242,632.49-108,437.90

Finding the Fourth Proportional to 161,685.81, 242,632.49 and 108,437.90

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Solution

The fourth proportional to 161,685.81, 242,632.49 and 108,437.90 is: 162,726.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,685.81 : 242,632.49 = 108,437.90 : x
  2. Step 2: Convert to fraction form
    161,685.81/242,632.49 = 108,437.90/x
  3. Step 3: Cross multiply
    161,685.81x = 242,632.49 × 108,437.90
  4. Step 4: Simplify right side
    161,685.81x = 26,310,555,932.02
  5. Step 5: Solve for x
    x = 26,310,555,932.02/161,685.81
  6. Step 6: Final answer
    x = 162,726.44

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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.