Home / 215,746.94-323,620.12-57,975.40

Finding the Fourth Proportional to 215,746.94, 323,620.12 and 57,975.40

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Solution

The fourth proportional to 215,746.94, 323,620.12 and 57,975.40 is: 86,963.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,746.94 : 323,620.12 = 57,975.40 : x
  2. Step 2: Convert to fraction form
    215,746.94/323,620.12 = 57,975.40/x
  3. Step 3: Cross multiply
    215,746.94x = 323,620.12 × 57,975.40
  4. Step 4: Simplify right side
    215,746.94x = 18,762,004,951.06
  5. Step 5: Solve for x
    x = 18,762,004,951.06/215,746.94
  6. Step 6: Final answer
    x = 86,963.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.