Home / 123,025.37-169,775.01-66,436.74

Finding the Fourth Proportional to 123,025.37, 169,775.01 and 66,436.74

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Solution

The fourth proportional to 123,025.37, 169,775.01 and 66,436.74 is: 91,682.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,025.37 : 169,775.01 = 66,436.74 : x
  2. Step 2: Convert to fraction form
    123,025.37/169,775.01 = 66,436.74/x
  3. Step 3: Cross multiply
    123,025.37x = 169,775.01 × 66,436.74
  4. Step 4: Simplify right side
    123,025.37x = 11,279,298,197.87
  5. Step 5: Solve for x
    x = 11,279,298,197.87/123,025.37
  6. Step 6: Final answer
    x = 91,682.70

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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.