Home / 215,706.72-297,588.96-130,792.80

Finding the Fourth Proportional to 215,706.72, 297,588.96 and 130,792.80

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Solution

The fourth proportional to 215,706.72, 297,588.96 and 130,792.80 is: 180,441.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,706.72 : 297,588.96 = 130,792.80 : x
  2. Step 2: Convert to fraction form
    215,706.72/297,588.96 = 130,792.80/x
  3. Step 3: Cross multiply
    215,706.72x = 297,588.96 × 130,792.80
  4. Step 4: Simplify right side
    215,706.72x = 38,922,493,327.49
  5. Step 5: Solve for x
    x = 38,922,493,327.49/215,706.72
  6. Step 6: Final answer
    x = 180,441.73

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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.