Home / 214,259.40-321,393.64-72,108.98

Finding the Fourth Proportional to 214,259.40, 321,393.64 and 72,108.98

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Solution

The fourth proportional to 214,259.40, 321,393.64 and 72,108.98 is: 108,165.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,259.40 : 321,393.64 = 72,108.98 : x
  2. Step 2: Convert to fraction form
    214,259.40/321,393.64 = 72,108.98/x
  3. Step 3: Cross multiply
    214,259.40x = 321,393.64 × 72,108.98
  4. Step 4: Simplify right side
    214,259.40x = 23,175,367,558.89
  5. Step 5: Solve for x
    x = 23,175,367,558.89/214,259.40
  6. Step 6: Final answer
    x = 108,165.00

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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.