Home / 240,144.08-360,216.13-90,417.96

Finding the Fourth Proportional to 240,144.08, 360,216.13 and 90,417.96

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Solution

The fourth proportional to 240,144.08, 360,216.13 and 90,417.96 is: 135,626.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,144.08 : 360,216.13 = 90,417.96 : x
  2. Step 2: Convert to fraction form
    240,144.08/360,216.13 = 90,417.96/x
  3. Step 3: Cross multiply
    240,144.08x = 360,216.13 × 90,417.96
  4. Step 4: Simplify right side
    240,144.08x = 32,570,007,633.69
  5. Step 5: Solve for x
    x = 32,570,007,633.69/240,144.08
  6. Step 6: Final answer
    x = 135,626.94

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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.