Home / 120,950.34-166,887.10-70,639.62

Finding the Fourth Proportional to 120,950.34, 166,887.10 and 70,639.62

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Solution

The fourth proportional to 120,950.34, 166,887.10 and 70,639.62 is: 97,468.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,950.34 : 166,887.10 = 70,639.62 : x
  2. Step 2: Convert to fraction form
    120,950.34/166,887.10 = 70,639.62/x
  3. Step 3: Cross multiply
    120,950.34x = 166,887.10 × 70,639.62
  4. Step 4: Simplify right side
    120,950.34x = 11,788,841,326.90
  5. Step 5: Solve for x
    x = 11,788,841,326.90/120,950.34
  6. Step 6: Final answer
    x = 97,468.44

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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.