Home / 131,735.17-197,634.19-42,988.84

Finding the Fourth Proportional to 131,735.17, 197,634.19 and 42,988.84

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Solution

The fourth proportional to 131,735.17, 197,634.19 and 42,988.84 is: 64,493.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,735.17 : 197,634.19 = 42,988.84 : x
  2. Step 2: Convert to fraction form
    131,735.17/197,634.19 = 42,988.84/x
  3. Step 3: Cross multiply
    131,735.17x = 197,634.19 × 42,988.84
  4. Step 4: Simplify right side
    131,735.17x = 8,496,063,970.88
  5. Step 5: Solve for x
    x = 8,496,063,970.88/131,735.17
  6. Step 6: Final answer
    x = 64,493.51

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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.