Home / 161,458.20-242,090.10-82,726.20

Finding the Fourth Proportional to 161,458.20, 242,090.10 and 82,726.20

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Solution

The fourth proportional to 161,458.20, 242,090.10 and 82,726.20 is: 124,039.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,458.20 : 242,090.10 = 82,726.20 : x
  2. Step 2: Convert to fraction form
    161,458.20/242,090.10 = 82,726.20/x
  3. Step 3: Cross multiply
    161,458.20x = 242,090.10 × 82,726.20
  4. Step 4: Simplify right side
    161,458.20x = 20,027,194,030.62
  5. Step 5: Solve for x
    x = 20,027,194,030.62/161,458.20
  6. Step 6: Final answer
    x = 124,039.50

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1.5x scale

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.