Home / 215,228.57-296,935.16-134,625.47

Finding the Fourth Proportional to 215,228.57, 296,935.16 and 134,625.47

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Solution

The fourth proportional to 215,228.57, 296,935.16 and 134,625.47 is: 185,732.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,228.57 : 296,935.16 = 134,625.47 : x
  2. Step 2: Convert to fraction form
    215,228.57/296,935.16 = 134,625.47/x
  3. Step 3: Cross multiply
    215,228.57x = 296,935.16 × 134,625.47
  4. Step 4: Simplify right side
    215,228.57x = 39,975,033,316.72
  5. Step 5: Solve for x
    x = 39,975,033,316.72/215,228.57
  6. Step 6: Final answer
    x = 185,732.94

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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.