Home / 215,136.96-296,896.32-118,344.93

Finding the Fourth Proportional to 215,136.96, 296,896.32 and 118,344.93

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Solution

The fourth proportional to 215,136.96, 296,896.32 and 118,344.93 is: 163,320.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,136.96 : 296,896.32 = 118,344.93 : x
  2. Step 2: Convert to fraction form
    215,136.96/296,896.32 = 118,344.93/x
  3. Step 3: Cross multiply
    215,136.96x = 296,896.32 × 118,344.93
  4. Step 4: Simplify right side
    215,136.96x = 35,136,174,207.66
  5. Step 5: Solve for x
    x = 35,136,174,207.66/215,136.96
  6. Step 6: Final answer
    x = 163,320.03

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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.