Home / 214,160.12-321,014.13-71,870.48

Finding the Fourth Proportional to 214,160.12, 321,014.13 and 71,870.48

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Solution

The fourth proportional to 214,160.12, 321,014.13 and 71,870.48 is: 107,729.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,160.12 : 321,014.13 = 71,870.48 : x
  2. Step 2: Convert to fraction form
    214,160.12/321,014.13 = 71,870.48/x
  3. Step 3: Cross multiply
    214,160.12x = 321,014.13 × 71,870.48
  4. Step 4: Simplify right side
    214,160.12x = 23,071,440,053.07
  5. Step 5: Solve for x
    x = 23,071,440,053.07/214,160.12
  6. Step 6: Final answer
    x = 107,729.86

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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.