Home / 131,353.17-197,058.57-42,615.64

Finding the Fourth Proportional to 131,353.17, 197,058.57 and 42,615.64

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Solution

The fourth proportional to 131,353.17, 197,058.57 and 42,615.64 is: 63,932.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,353.17 : 197,058.57 = 42,615.64 : x
  2. Step 2: Convert to fraction form
    131,353.17/197,058.57 = 42,615.64/x
  3. Step 3: Cross multiply
    131,353.17x = 197,058.57 × 42,615.64
  4. Step 4: Simplify right side
    131,353.17x = 8,397,777,078.03
  5. Step 5: Solve for x
    x = 8,397,777,078.03/131,353.17
  6. Step 6: Final answer
    x = 63,932.81

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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.