Home / 231,822.20-347,538.90-121,014.20

Finding the Fourth Proportional to 231,822.20, 347,538.90 and 121,014.20

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Solution

The fourth proportional to 231,822.20, 347,538.90 and 121,014.20 is: 181,419.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,822.20 : 347,538.90 = 121,014.20 : x
  2. Step 2: Convert to fraction form
    231,822.20/347,538.90 = 121,014.20/x
  3. Step 3: Cross multiply
    231,822.20x = 347,538.90 × 121,014.20
  4. Step 4: Simplify right side
    231,822.20x = 42,057,141,952.38
  5. Step 5: Solve for x
    x = 42,057,141,952.38/231,822.20
  6. Step 6: Final answer
    x = 181,419.82

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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.