Home / 123,386.08-170,273.16-66,797.32

Finding the Fourth Proportional to 123,386.08, 170,273.16 and 66,797.32

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Solution

The fourth proportional to 123,386.08, 170,273.16 and 66,797.32 is: 92,180.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,386.08 : 170,273.16 = 66,797.32 : x
  2. Step 2: Convert to fraction form
    123,386.08/170,273.16 = 66,797.32/x
  3. Step 3: Cross multiply
    123,386.08x = 170,273.16 × 66,797.32
  4. Step 4: Simplify right side
    123,386.08x = 11,373,790,755.93
  5. Step 5: Solve for x
    x = 11,373,790,755.93/123,386.08
  6. Step 6: Final answer
    x = 92,180.50

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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.