Home / 131,801.76-197,700.78-31,962.84

Finding the Fourth Proportional to 131,801.76, 197,700.78 and 31,962.84

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Solution

The fourth proportional to 131,801.76, 197,700.78 and 31,962.84 is: 47,943.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,801.76 : 197,700.78 = 31,962.84 : x
  2. Step 2: Convert to fraction form
    131,801.76/197,700.78 = 31,962.84/x
  3. Step 3: Cross multiply
    131,801.76x = 197,700.78 × 31,962.84
  4. Step 4: Simplify right side
    131,801.76x = 6,319,078,399.02
  5. Step 5: Solve for x
    x = 6,319,078,399.02/131,801.76
  6. Step 6: Final answer
    x = 47,943.81

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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.