Home / 230,918.20-346,427.70-131,126.20

Finding the Fourth Proportional to 230,918.20, 346,427.70 and 131,126.20

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Solution

The fourth proportional to 230,918.20, 346,427.70 and 131,126.20 is: 196,717.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,918.20 : 346,427.70 = 131,126.20 : x
  2. Step 2: Convert to fraction form
    230,918.20/346,427.70 = 131,126.20/x
  3. Step 3: Cross multiply
    230,918.20x = 346,427.70 × 131,126.20
  4. Step 4: Simplify right side
    230,918.20x = 45,425,747,875.74
  5. Step 5: Solve for x
    x = 45,425,747,875.74/230,918.20
  6. Step 6: Final answer
    x = 196,717.92

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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.