Home / 215,110.98-296,860.32-118,318.92

Finding the Fourth Proportional to 215,110.98, 296,860.32 and 118,318.92

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Solution

The fourth proportional to 215,110.98, 296,860.32 and 118,318.92 is: 163,284.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,110.98 : 296,860.32 = 118,318.92 : x
  2. Step 2: Convert to fraction form
    215,110.98/296,860.32 = 118,318.92/x
  3. Step 3: Cross multiply
    215,110.98x = 296,860.32 × 118,318.92
  4. Step 4: Simplify right side
    215,110.98x = 35,124,192,453.25
  5. Step 5: Solve for x
    x = 35,124,192,453.25/215,110.98
  6. Step 6: Final answer
    x = 163,284.05

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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.