Home / 86,426.75-119,205.92-66,054.84

Finding the Fourth Proportional to 86,426.75, 119,205.92 and 66,054.84

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Solution

The fourth proportional to 86,426.75, 119,205.92 and 66,054.84 is: 91,107.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,426.75 : 119,205.92 = 66,054.84 : x
  2. Step 2: Convert to fraction form
    86,426.75/119,205.92 = 66,054.84/x
  3. Step 3: Cross multiply
    86,426.75x = 119,205.92 × 66,054.84
  4. Step 4: Simplify right side
    86,426.75x = 7,874,127,642.38
  5. Step 5: Solve for x
    x = 7,874,127,642.38/86,426.75
  6. Step 6: Final answer
    x = 91,107.53

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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.