Home / 319,461.95-479,142.14-106,212.12

Finding the Fourth Proportional to 319,461.95, 479,142.14 and 106,212.12

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Solution

The fourth proportional to 319,461.95, 479,142.14 and 106,212.12 is: 159,301.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,461.95 : 479,142.14 = 106,212.12 : x
  2. Step 2: Convert to fraction form
    319,461.95/479,142.14 = 106,212.12/x
  3. Step 3: Cross multiply
    319,461.95x = 479,142.14 × 106,212.12
  4. Step 4: Simplify right side
    319,461.95x = 50,890,701,939.68
  5. Step 5: Solve for x
    x = 50,890,701,939.68/319,461.95
  6. Step 6: Final answer
    x = 159,301.30

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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.