Home / 112,001.40-168,002.10-74,676.60

Finding the Fourth Proportional to 112,001.40, 168,002.10 and 74,676.60

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Solution

The fourth proportional to 112,001.40, 168,002.10 and 74,676.60 is: 112,014.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,001.40 : 168,002.10 = 74,676.60 : x
  2. Step 2: Convert to fraction form
    112,001.40/168,002.10 = 74,676.60/x
  3. Step 3: Cross multiply
    112,001.40x = 168,002.10 × 74,676.60
  4. Step 4: Simplify right side
    112,001.40x = 12,545,825,620.86
  5. Step 5: Solve for x
    x = 12,545,825,620.86/112,001.40
  6. Step 6: Final answer
    x = 112,014.90

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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.