Home / 109,290.14-150,822.53-66,259.09

Finding the Fourth Proportional to 109,290.14, 150,822.53 and 66,259.09

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Solution

The fourth proportional to 109,290.14, 150,822.53 and 66,259.09 is: 91,438.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,290.14 : 150,822.53 = 66,259.09 : x
  2. Step 2: Convert to fraction form
    109,290.14/150,822.53 = 66,259.09/x
  3. Step 3: Cross multiply
    109,290.14x = 150,822.53 × 66,259.09
  4. Step 4: Simplify right side
    109,290.14x = 9,993,363,695.00
  5. Step 5: Solve for x
    x = 9,993,363,695.00/109,290.14
  6. Step 6: Final answer
    x = 91,438.84

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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.