Home / 120,598.92-166,436.48-66,901.28

Finding the Fourth Proportional to 120,598.92, 166,436.48 and 66,901.28

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Solution

The fourth proportional to 120,598.92, 166,436.48 and 66,901.28 is: 92,329.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,598.92 : 166,436.48 = 66,901.28 : x
  2. Step 2: Convert to fraction form
    120,598.92/166,436.48 = 66,901.28/x
  3. Step 3: Cross multiply
    120,598.92x = 166,436.48 × 66,901.28
  4. Step 4: Simplify right side
    120,598.92x = 11,134,813,550.69
  5. Step 5: Solve for x
    x = 11,134,813,550.69/120,598.92
  6. Step 6: Final answer
    x = 92,329.30

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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.