Home / 120,833.40-166,758.06-73,088.76

Finding the Fourth Proportional to 120,833.40, 166,758.06 and 73,088.76

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Solution

The fourth proportional to 120,833.40, 166,758.06 and 73,088.76 is: 100,867.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,833.40 : 166,758.06 = 73,088.76 : x
  2. Step 2: Convert to fraction form
    120,833.40/166,758.06 = 73,088.76/x
  3. Step 3: Cross multiply
    120,833.40x = 166,758.06 × 73,088.76
  4. Step 4: Simplify right side
    120,833.40x = 12,188,139,825.41
  5. Step 5: Solve for x
    x = 12,188,139,825.41/120,833.40
  6. Step 6: Final answer
    x = 100,867.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.