Home / 215,504.93-297,406.03-120,011.63

Finding the Fourth Proportional to 215,504.93, 297,406.03 and 120,011.63

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Solution

The fourth proportional to 215,504.93, 297,406.03 and 120,011.63 is: 165,621.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,504.93 : 297,406.03 = 120,011.63 : x
  2. Step 2: Convert to fraction form
    215,504.93/297,406.03 = 120,011.63/x
  3. Step 3: Cross multiply
    215,504.93x = 297,406.03 × 120,011.63
  4. Step 4: Simplify right side
    215,504.93x = 35,692,180,870.09
  5. Step 5: Solve for x
    x = 35,692,180,870.09/215,504.93
  6. Step 6: Final answer
    x = 165,621.18

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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.