Home / 215,259.93-322,679.09-80,225.13

Finding the Fourth Proportional to 215,259.93, 322,679.09 and 80,225.13

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Solution

The fourth proportional to 215,259.93, 322,679.09 and 80,225.13 is: 120,259.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,259.93 : 322,679.09 = 80,225.13 : x
  2. Step 2: Convert to fraction form
    215,259.93/322,679.09 = 80,225.13/x
  3. Step 3: Cross multiply
    215,259.93x = 322,679.09 × 80,225.13
  4. Step 4: Simplify right side
    215,259.93x = 25,886,973,354.14
  5. Step 5: Solve for x
    x = 25,886,973,354.14/215,259.93
  6. Step 6: Final answer
    x = 120,259.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.