Home / 123,214.79-170,036.29-66,626.03

Finding the Fourth Proportional to 123,214.79, 170,036.29 and 66,626.03

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Solution

The fourth proportional to 123,214.79, 170,036.29 and 66,626.03 is: 91,943.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,214.79 : 170,036.29 = 66,626.03 : x
  2. Step 2: Convert to fraction form
    123,214.79/170,036.29 = 66,626.03/x
  3. Step 3: Cross multiply
    123,214.79x = 170,036.29 × 66,626.03
  4. Step 4: Simplify right side
    123,214.79x = 11,328,842,958.63
  5. Step 5: Solve for x
    x = 11,328,842,958.63/123,214.79
  6. Step 6: Final answer
    x = 91,943.86

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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.