Home / 212,950.18-293,601.45-140,341.78

Finding the Fourth Proportional to 212,950.18, 293,601.45 and 140,341.78

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Solution

The fourth proportional to 212,950.18, 293,601.45 and 140,341.78 is: 193,493.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,950.18 : 293,601.45 = 140,341.78 : x
  2. Step 2: Convert to fraction form
    212,950.18/293,601.45 = 140,341.78/x
  3. Step 3: Cross multiply
    212,950.18x = 293,601.45 × 140,341.78
  4. Step 4: Simplify right side
    212,950.18x = 41,204,550,103.58
  5. Step 5: Solve for x
    x = 41,204,550,103.58/212,950.18
  6. Step 6: Final answer
    x = 193,493.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.