Home / 102,224.97-141,066.36-66,485.34

Finding the Fourth Proportional to 102,224.97, 141,066.36 and 66,485.34

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Solution

The fourth proportional to 102,224.97, 141,066.36 and 66,485.34 is: 91,747.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,224.97 : 141,066.36 = 66,485.34 : x
  2. Step 2: Convert to fraction form
    102,224.97/141,066.36 = 66,485.34/x
  3. Step 3: Cross multiply
    102,224.97x = 141,066.36 × 66,485.34
  4. Step 4: Simplify right side
    102,224.97x = 9,378,844,907.16
  5. Step 5: Solve for x
    x = 9,378,844,907.16/102,224.97
  6. Step 6: Final answer
    x = 91,747.10

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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.