Home / 120,495.73-166,284.12-66,784.22

Finding the Fourth Proportional to 120,495.73, 166,284.12 and 66,784.22

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Solution

The fourth proportional to 120,495.73, 166,284.12 and 66,784.22 is: 92,162.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,495.73 : 166,284.12 = 66,784.22 : x
  2. Step 2: Convert to fraction form
    120,495.73/166,284.12 = 66,784.22/x
  3. Step 3: Cross multiply
    120,495.73x = 166,284.12 × 66,784.22
  4. Step 4: Simplify right side
    120,495.73x = 11,105,154,421.17
  5. Step 5: Solve for x
    x = 11,105,154,421.17/120,495.73
  6. Step 6: Final answer
    x = 92,162.23

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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.