Home / 212,756.58-319,135.92-62,999.70

Finding the Fourth Proportional to 212,756.58, 319,135.92 and 62,999.70

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Solution

The fourth proportional to 212,756.58, 319,135.92 and 62,999.70 is: 94,499.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,756.58 : 319,135.92 = 62,999.70 : x
  2. Step 2: Convert to fraction form
    212,756.58/319,135.92 = 62,999.70/x
  3. Step 3: Cross multiply
    212,756.58x = 319,135.92 × 62,999.70
  4. Step 4: Simplify right side
    212,756.58x = 20,105,467,219.22
  5. Step 5: Solve for x
    x = 20,105,467,219.22/212,756.58
  6. Step 6: Final answer
    x = 94,499.86

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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.