Home / 121,007.17-166,977.11-67,283.52

Finding the Fourth Proportional to 121,007.17, 166,977.11 and 67,283.52

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Solution

The fourth proportional to 121,007.17, 166,977.11 and 67,283.52 is: 92,844.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,007.17 : 166,977.11 = 67,283.52 : x
  2. Step 2: Convert to fraction form
    121,007.17/166,977.11 = 67,283.52/x
  3. Step 3: Cross multiply
    121,007.17x = 166,977.11 × 67,283.52
  4. Step 4: Simplify right side
    121,007.17x = 11,234,807,720.23
  5. Step 5: Solve for x
    x = 11,234,807,720.23/121,007.17
  6. Step 6: Final answer
    x = 92,844.15

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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.