Home / 120,899.64-166,836.06-67,184.40

Finding the Fourth Proportional to 120,899.64, 166,836.06 and 67,184.40

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Solution

The fourth proportional to 120,899.64, 166,836.06 and 67,184.40 is: 92,711.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,899.64 : 166,836.06 = 67,184.40 : x
  2. Step 2: Convert to fraction form
    120,899.64/166,836.06 = 67,184.40/x
  3. Step 3: Cross multiply
    120,899.64x = 166,836.06 × 67,184.40
  4. Step 4: Simplify right side
    120,899.64x = 11,208,780,589.46
  5. Step 5: Solve for x
    x = 11,208,780,589.46/120,899.64
  6. Step 6: Final answer
    x = 92,711.45

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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.