Home / 231,030.20-346,595.70-131,238.20

Finding the Fourth Proportional to 231,030.20, 346,595.70 and 131,238.20

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Solution

The fourth proportional to 231,030.20, 346,595.70 and 131,238.20 is: 196,885.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,030.20 : 346,595.70 = 131,238.20 : x
  2. Step 2: Convert to fraction form
    231,030.20/346,595.70 = 131,238.20/x
  3. Step 3: Cross multiply
    231,030.20x = 346,595.70 × 131,238.20
  4. Step 4: Simplify right side
    231,030.20x = 45,486,595,795.74
  5. Step 5: Solve for x
    x = 45,486,595,795.74/231,030.20
  6. Step 6: Final answer
    x = 196,885.93

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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.