Home / 220,416.72-304,184.52-135,561.84

Finding the Fourth Proportional to 220,416.72, 304,184.52 and 135,561.84

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Solution

The fourth proportional to 220,416.72, 304,184.52 and 135,561.84 is: 187,081.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,416.72 : 304,184.52 = 135,561.84 : x
  2. Step 2: Convert to fraction form
    220,416.72/304,184.52 = 135,561.84/x
  3. Step 3: Cross multiply
    220,416.72x = 304,184.52 × 135,561.84
  4. Step 4: Simplify right side
    220,416.72x = 41,235,813,230.72
  5. Step 5: Solve for x
    x = 41,235,813,230.72/220,416.72
  6. Step 6: Final answer
    x = 187,081.15

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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.