Home / 131,383.45-197,102.85-42,630.01

Finding the Fourth Proportional to 131,383.45, 197,102.85 and 42,630.01

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Solution

The fourth proportional to 131,383.45, 197,102.85 and 42,630.01 is: 63,953.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,383.45 : 197,102.85 = 42,630.01 : x
  2. Step 2: Convert to fraction form
    131,383.45/197,102.85 = 42,630.01/x
  3. Step 3: Cross multiply
    131,383.45x = 197,102.85 × 42,630.01
  4. Step 4: Simplify right side
    131,383.45x = 8,402,496,466.53
  5. Step 5: Solve for x
    x = 8,402,496,466.53/131,383.45
  6. Step 6: Final answer
    x = 63,953.99

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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.