Home / 112,126.20-167,897.70-72,468.60

Finding the Fourth Proportional to 112,126.20, 167,897.70 and 72,468.60

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Solution

The fourth proportional to 112,126.20, 167,897.70 and 72,468.60 is: 108,514.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,126.20 : 167,897.70 = 72,468.60 : x
  2. Step 2: Convert to fraction form
    112,126.20/167,897.70 = 72,468.60/x
  3. Step 3: Cross multiply
    112,126.20x = 167,897.70 × 72,468.60
  4. Step 4: Simplify right side
    112,126.20x = 12,167,311,262.22
  5. Step 5: Solve for x
    x = 12,167,311,262.22/112,126.20
  6. Step 6: Final answer
    x = 108,514.44

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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.